Adding upstream version 1:2.6.4.upstream/1%2.6.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

42 files changed, 6692 insertions, 0 deletions

diff --git a/support/include/Makefile.am b/support/include/Makefile.am
new file mode 100644
index 0000000..1373891
--- /dev/null
+++ b/support/include/Makefile.am
@@ -0,0 +1,31 @@
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new file mode 100644
index 0000000..9dc7624
--- /dev/null
+++ b/support/include/Makefile.in
@@ -0,0 +1,760 @@
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+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-recursive
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-recursive
+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+	@list='$(DIST_SUBDIRS)'; for subdir in $$list; do \
+	  if test "$$subdir" = .; then :; else \
+	    $(am__make_dryrun) \
+	      || test -d "$(distdir)/$$subdir" \
+	      || $(MKDIR_P) "$(distdir)/$$subdir" \
+	      || exit 1; \
+	    dir1=$$subdir; dir2="$(distdir)/$$subdir"; \
+	    $(am__relativize); \
+	    new_distdir=$$reldir; \
+	    dir1=$$subdir; dir2="$(top_distdir)"; \
+	    $(am__relativize); \
+	    new_top_distdir=$$reldir; \
+	    echo " (cd $$subdir && $(MAKE) $(AM_MAKEFLAGS) top_distdir="$$new_top_distdir" distdir="$$new_distdir" \\"; \
+	    echo "     am__remove_distdir=: am__skip_length_check=: am__skip_mode_fix=: distdir)"; \
+	    ($(am__cd) $$subdir && \
+	      $(MAKE) $(AM_MAKEFLAGS) \
+	        top_distdir="$$new_top_distdir" \
+	        distdir="$$new_distdir" \
+		am__remove_distdir=: \
+		am__skip_length_check=: \
+		am__skip_mode_fix=: \
+	        distdir) \
+	      || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-recursive
+all-am: Makefile $(HEADERS) config.h
+installdirs: installdirs-recursive
+installdirs-am:
+install: install-recursive
+install-exec: install-exec-recursive
+install-data: install-data-recursive
+uninstall: uninstall-recursive
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-recursive
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-recursive
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-recursive
+	-rm -f Makefile
+distclean-am: clean-am distclean-generic distclean-hdr distclean-tags
+
+dvi: dvi-recursive
+
+dvi-am:
+
+html: html-recursive
+
+html-am:
+
+info: info-recursive
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-recursive
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-recursive
+
+install-html-am:
+
+install-info: install-info-recursive
+
+install-info-am:
+
+install-man:
+
+install-pdf: install-pdf-recursive
+
+install-pdf-am:
+
+install-ps: install-ps-recursive
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-recursive
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-recursive
+
+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-recursive
+
+pdf-am:
+
+ps: ps-recursive
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: $(am__recursive_targets) all install-am install-strip
+
+.PHONY: $(am__recursive_targets) CTAGS GTAGS TAGS all all-am check \
+	check-am clean clean-generic clean-libtool cscopelist-am ctags \
+	ctags-am distclean distclean-generic distclean-hdr \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-data \
+	install-data-am install-dvi install-dvi-am install-exec \
+	install-exec-am install-html install-html-am install-info \
+	install-info-am install-man install-pdf install-pdf-am \
+	install-ps install-ps-am install-strip installcheck \
+	installcheck-am installdirs installdirs-am maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-generic \
+	mostlyclean-libtool pdf pdf-am ps ps-am tags tags-am uninstall \
+	uninstall-am
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/support/include/cld.h b/support/include/cld.h
new file mode 100644
index 0000000..88d3b63
--- /dev/null
+++ b/support/include/cld.h
@@ -0,0 +1,94 @@
+/*
+ * Upcall description for nfsdcld communication
+ *
+ * Copyright (c) 2012 Red Hat, Inc.
+ * Author(s): Jeff Layton <jlayton@redhat.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _NFSD_CLD_H
+#define _NFSD_CLD_H
+
+/* latest upcall version available */
+#define CLD_UPCALL_VERSION 2
+
+/* defined by RFC3530 */
+#define NFS4_OPAQUE_LIMIT 1024
+
+#ifndef SHA256_DIGEST_SIZE
+#define SHA256_DIGEST_SIZE      32
+#endif
+
+enum cld_command {
+	Cld_Create,		/* create a record for this cm_id */
+	Cld_Remove,		/* remove record of this cm_id */
+	Cld_Check,		/* is this cm_id allowed? */
+	Cld_GraceDone,		/* grace period is complete */
+	Cld_GraceStart,		/* grace start (upload client records) */
+	Cld_GetVersion,		/* query max supported upcall version */
+};
+
+/* representation of long-form NFSv4 client ID */
+struct cld_name {
+	uint16_t	cn_len;				/* length of cm_id */
+	unsigned char	cn_id[NFS4_OPAQUE_LIMIT];	/* client-provided */
+} __attribute__((packed));
+
+/* sha256 hash of the kerberos principal */
+struct cld_princhash {
+	uint8_t		cp_len;				/* length of cp_data */
+	unsigned char	cp_data[SHA256_DIGEST_SIZE];	/* hash of principal */
+} __attribute__((packed));
+
+struct cld_clntinfo {
+	struct cld_name		cc_name;
+	struct cld_princhash	cc_princhash;
+} __attribute__((packed));
+
+/* message struct for communication with userspace */
+struct cld_msg {
+	uint8_t		cm_vers;		/* upcall version */
+	uint8_t		cm_cmd;			/* upcall command */
+	int16_t		cm_status;		/* return code */
+	uint32_t	cm_xid;			/* transaction id */
+	union {
+		int64_t		cm_gracetime;	/* grace period start time */
+		struct cld_name	cm_name;
+		uint8_t		cm_version;	/* for getting max version */
+	} __attribute__((packed)) cm_u;
+} __attribute__((packed));
+
+/* version 2 message can include hash of kerberos principal */
+struct cld_msg_v2 {
+	uint8_t		cm_vers;		/* upcall version */
+	uint8_t		cm_cmd;			/* upcall command */
+	int16_t		cm_status;		/* return code */
+	uint32_t	cm_xid;			/* transaction id */
+	union {
+		struct cld_name	cm_name;
+		uint8_t		cm_version;	/* for getting max version */
+		struct cld_clntinfo cm_clntinfo; /* name & princ hash */
+	} __attribute__((packed)) cm_u;
+} __attribute__((packed));
+
+struct cld_msg_hdr {
+	uint8_t		cm_vers;		/* upcall version */
+	uint8_t		cm_cmd;			/* upcall command */
+	int16_t		cm_status;		/* return code */
+	uint32_t	cm_xid;			/* transaction id */
+} __attribute__((packed));
+
+#endif /* !_NFSD_CLD_H */
diff --git a/support/include/conffile.h b/support/include/conffile.h
new file mode 100644
index 0000000..c4a3ca6
--- /dev/null
+++ b/support/include/conffile.h
@@ -0,0 +1,87 @@
+/* $OpenBSD: conf.h,v 1.30 2004/06/25 20:25:34 hshoexer Exp $	 */
+/* $EOM: conf.h,v 1.13 2000/09/18 00:01:47 ho Exp $	 */
+
+/*
+ * Copyright (c) 1998, 1999, 2001 Niklas Hallqvist.  All rights reserved.
+ * Copyright (c) 2000, 2003 Håkan Olsson.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * This code was written under funding by Ericsson Radio Systems.
+ */
+
+#ifndef _CONFFILE_H_
+#define _CONFFILE_H_
+
+#include <sys/queue.h>
+#include <ctype.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <stdio.h>
+
+struct conf_list_node {
+	TAILQ_ENTRY(conf_list_node) link;
+	char	*field;
+};
+
+struct conf_list {
+	size_t	cnt;
+	TAILQ_HEAD(conf_list_fields_head, conf_list_node) fields;
+};
+
+extern int      conf_begin(void);
+extern int      conf_decode_base64(uint8_t *, uint32_t *, const unsigned char *);
+extern int      conf_end(int, int);
+extern void     conf_free_list(struct conf_list *);
+extern struct sockaddr *conf_get_address(const char *, const char *);
+extern struct conf_list *conf_get_list(const char *, const char *);
+extern struct conf_list *conf_get_tag_list(const char *, const char *);
+extern int      conf_get_num(const char *, const char *, int);
+extern _Bool    conf_get_bool(const char *, const char *, _Bool);
+extern char    *conf_get_str(const char *, const char *);
+extern char    *conf_get_str_with_def(const char *, const char *, char *);
+extern char    *conf_get_section(const char *, const char *, const char *);
+extern char    *conf_get_entry(const char *, const char *, const char *);
+extern int      conf_init_file(const char *);
+extern void     conf_cleanup(void);
+extern int      conf_match_num(const char *, const char *, int);
+extern int      conf_remove(int, const char *, const char *);
+extern int      conf_remove_section(int, const char *);
+extern void     conf_report(FILE *);
+extern int      conf_write(const char *, const char *, const char *, const char *, const char *);
+
+extern const char *modified_by;
+
+/*
+ * Convert letter from upper case to lower case
+ */
+static inline void upper2lower(char *str)
+{
+	char c;
+
+	while ((c = tolower(*str)))
+		*str++ = c;
+}
+
+
+#endif				/* _CONFFILE_H_ */
diff --git a/support/include/config.h.in b/support/include/config.h.in
new file mode 100644
index 0000000..54d6211
--- /dev/null
+++ b/support/include/config.h.in
@@ -0,0 +1,653 @@
+/* support/include/config.h.in.  Generated from configure.ac by autoheader.  */
+
+/* Define to 1 if the `closedir' function returns void instead of int. */
+#undef CLOSEDIR_VOID
+
+/* Define to 1 if using 'alloca.c'. */
+#undef C_ALLOCA
+
+/* Enable GUMS mapping library support */
+#undef ENABLE_GUMS
+
+/* Enable LDAP Support */
+#undef ENABLE_LDAP
+
+/* Enable LDAP SASL support */
+#undef ENABLE_LDAP_SASL
+
+/* Define to the type of elements in the array set by `getgroups'. Usually
+   this is either `int' or `gid_t'. */
+#undef GETGROUPS_T
+
+/* Define to 1 if you have the `alarm' function. */
+#undef HAVE_ALARM
+
+/* Define to 1 if you have 'alloca', as a function or macro. */
+#undef HAVE_ALLOCA
+
+/* Define to 1 if <alloca.h> works. */
+#undef HAVE_ALLOCA_H
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+#undef HAVE_ARPA_INET_H
+
+/* Define to 1 if you have the `atexit' function. */
+#undef HAVE_ATEXIT
+
+/* Define to 1 if your rpcsec library provides authgss_free_private_data */
+#undef HAVE_AUTHGSS_FREE_PRIVATE_DATA
+
+/* Define this if you want to use BSD signal semantics */
+#undef HAVE_BSD_SIGNALS
+
+/* Define to 1 if you have the <com_err.h> header file. */
+#undef HAVE_COM_ERR_H
+
+/* Define to 1 if you have the <dirent.h> header file, and it defines `DIR'.
+   */
+#undef HAVE_DIRENT_H
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+#undef HAVE_DLFCN_H
+
+/* Define to 1 if you don't have `vprintf' but do have `_doprnt.' */
+#undef HAVE_DOPRNT
+
+/* Define to 1 if you have the `dup2' function. */
+#undef HAVE_DUP2
+
+/* Define to 1 if you have the <et/com_err.h> header file. */
+#undef HAVE_ET_COM_ERR_H
+
+/* Define to 1 if you have the <event2/event.h> header file. */
+#undef HAVE_EVENT2_EVENT_H
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#undef HAVE_FCNTL_H
+
+/* Define to 1 if you have the `fdatasync' function. */
+#undef HAVE_FDATASYNC
+
+/* Define to 1 if you have the `find_key_by_type_and_desc' function. */
+#undef HAVE_FIND_KEY_BY_TYPE_AND_DESC
+
+/* Define to 1 if you have the `fork' function. */
+#undef HAVE_FORK
+
+/* Define to 1 if you have the `fstatat' function. */
+#undef HAVE_FSTATAT
+
+/* Define to 1 if you have the `ftruncate' function. */
+#undef HAVE_FTRUNCATE
+
+/* Define to 1 if the system has the `format' function attribute */
+#undef HAVE_FUNC_ATTRIBUTE_FORMAT
+
+/* Define to 1 if you have the `getcwd' function. */
+#undef HAVE_GETCWD
+
+/* Define to 1 if your system has a working `getgroups' function. */
+#undef HAVE_GETGROUPS
+
+/* Define to 1 if you have the `gethostbyaddr' function. */
+#undef HAVE_GETHOSTBYADDR
+
+/* Define to 1 if you have the `gethostbyname' function. */
+#undef HAVE_GETHOSTBYNAME
+
+/* Define to 1 if you have the `gethostname' function. */
+#undef HAVE_GETHOSTNAME
+
+/* Define to 1 if you have the `getifaddrs' function. */
+#undef HAVE_GETIFADDRS
+
+/* Define to 1 if you have the `getmntent' function. */
+#undef HAVE_GETMNTENT
+
+/* Define to 1 if you have the `getnameinfo' function. */
+#undef HAVE_GETNAMEINFO
+
+/* Define to 1 if you have the `getrandom' function. */
+#undef HAVE_GETRANDOM
+
+/* Define to 1 if you have the `getrpcbyname' function. */
+#undef HAVE_GETRPCBYNAME
+
+/* Define to 1 if you have the `getrpcbynumber' function. */
+#undef HAVE_GETRPCBYNUMBER
+
+/* Define to 1 if you have the `getrpcbynumber_r' function. */
+#undef HAVE_GETRPCBYNUMBER_R
+
+/* Define to 1 if you have the `gettimeofday' function. */
+#undef HAVE_GETTIMEOFDAY
+
+/* Define to 1 if you have the <gssapi/gssapi_generic.h> header file. */
+#undef HAVE_GSSAPI_GSSAPI_GENERIC_H
+
+/* Define to 1 if you have the <gssapi/gssapi.h> header file. */
+#undef HAVE_GSSAPI_GSSAPI_H
+
+/* Define to 1 if you have the <gssapi/gssapi_krb5.h> header file. */
+#undef HAVE_GSSAPI_GSSAPI_KRB5_H
+
+/* Define to 1 if you have the <gssapi.h> header file. */
+#undef HAVE_GSSAPI_H
+
+/* Define to 1 if you have the <gsssasl.h> header file. */
+#undef HAVE_GSSSASL_H
+
+/* Has gss_krb5_ccache_name function */
+#undef HAVE_GSS_KRB5_CCACHE_NAME
+
+/* Define this if the Kerberos GSS library supports
+   gss_krb5_free_lucid_sec_context */
+#undef HAVE_GSS_KRB5_FREE_LUCID_SEC_CONTEXT
+
+/* Define to 1 if you have the `hasmntopt' function. */
+#undef HAVE_HASMNTOPT
+
+/* Define this if you have Heimdal Kerberos libraries */
+#undef HAVE_HEIMDAL
+
+/* Define to 1 if you have the <ifaddrs.h> header file. */
+#undef HAVE_IFADDRS_H
+
+/* Define to 1 if you have the `inet_ntoa' function. */
+#undef HAVE_INET_NTOA
+
+/* Define to 1 if you have the `innetgr' function. */
+#undef HAVE_INNETGR
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#undef HAVE_INTTYPES_H
+
+/* Define this if you want junction support compiled in */
+#undef HAVE_JUNCTION_SUPPORT
+
+/* Define to 1 if you have the <keyutils.h> header file. */
+#undef HAVE_KEYUTILS_H
+
+/* Define this if you have MIT Kerberos libraries */
+#undef HAVE_KRB5
+
+/* Define this if the function krb5_get_error_message is available */
+#undef HAVE_KRB5_GET_ERROR_MESSAGE
+
+/* Define this if the function krb5_get_init_creds_opt_set_addressless is
+   available */
+#undef HAVE_KRB5_GET_INIT_CREDS_OPT_SET_ADDRESSLESS
+
+/* Define to 1 if you have the <krb5.h> header file. */
+#undef HAVE_KRB5_H
+
+/* Has ldap_sasl_interactive_bind_s function */
+#undef HAVE_LDAP_SASL_INTERACTIVE_BIND_S
+
+/* Define to 1 if you have the <libgen.h> header file. */
+#undef HAVE_LIBGEN_H
+
+/* Define to 1 if you have the `gssglue' library (-lgssglue). */
+#undef HAVE_LIBGSSGLUE
+
+/* Define to 1 if you have the <libintl.h> header file. */
+#undef HAVE_LIBINTL_H
+
+/* Define to 1 if you have libpthread. */
+#undef HAVE_LIBPTHREAD
+
+/* Define to 1 if you have the `resolv' library (-lresolv). */
+#undef HAVE_LIBRESOLV
+
+/* Define to 1 if you have and wish to use libtirpc. */
+#undef HAVE_LIBTIRPC
+
+/* Define to 1 if your tirpc library provides libtirpc_set_debug */
+#undef HAVE_LIBTIRPC_SET_DEBUG
+
+/* tcp-wrapper */
+#undef HAVE_LIBWRAP
+
+/* Define to 1 if you have and wish to use libxml2. */
+#undef HAVE_LIBXML2
+
+/* Define to 1 if you have the <limits.h> header file. */
+#undef HAVE_LIMITS_H
+
+/* Define to 1 if `lstat' has the bug that it succeeds when given the
+   zero-length file name argument. */
+#undef HAVE_LSTAT_EMPTY_STRING_BUG
+
+/* Define this if the Kerberos GSS library supports
+   gss_krb5_export_lucid_sec_context */
+#undef HAVE_LUCID_CONTEXT_SUPPORT
+
+/* Define to 1 if you have the <malloc.h> header file. */
+#undef HAVE_MALLOC_H
+
+/* Define to 1 if you have the <memory.h> header file. */
+#undef HAVE_MEMORY_H
+
+/* Define to 1 if you have the `memset' function. */
+#undef HAVE_MEMSET
+
+/* Define to 1 if you have the <minix/config.h> header file. */
+#undef HAVE_MINIX_CONFIG_H
+
+/* Define to 1 if you have the `mkdir' function. */
+#undef HAVE_MKDIR
+
+/* Define to 1 if you have the `name_to_handle_at' function. */
+#undef HAVE_NAME_TO_HANDLE_AT
+
+/* Define to 1 if you have the <ndir.h> header file, and it defines `DIR'. */
+#undef HAVE_NDIR_H
+
+/* Define to 1 if you have the <netdb.h> header file. */
+#undef HAVE_NETDB_H
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#undef HAVE_NETINET_IN_H
+
+/* Bundled lib always has the `nfs4_set_debug' function. */
+#undef HAVE_NFS4_SET_DEBUG
+
+/* Define this if you want NFSv4 server only support compiled in */
+#undef HAVE_NFSV4SERVER_SUPPORT
+
+/* Define to 1 if you have the `pathconf' function. */
+#undef HAVE_PATHCONF
+
+/* Define to 1 if you have the <paths.h> header file. */
+#undef HAVE_PATHS_H
+
+/* Define to 1 if you have the `ppoll' function. */
+#undef HAVE_PPOLL
+
+/* Define to 1 if you have the <pthread.h> header file. */
+#undef HAVE_PTHREAD_H
+
+/* Define to 1 if you have the `realpath' function. */
+#undef HAVE_REALPATH
+
+/* Define to 1 if you have the `rmdir' function. */
+#undef HAVE_RMDIR
+
+/* Define to 1 if you have the <sasl.h> header file. */
+#undef HAVE_SASL_H
+
+/* Define to 1 if you have the <sasl/sasl.h> header file. */
+#undef HAVE_SASL_SASL_H
+
+/* Define to 1 if you have the <sched.h> header file. */
+#undef HAVE_SCHED_H
+
+/* Define to 1 if you have the `select' function. */
+#undef HAVE_SELECT
+
+/* Define this if the Kerberos GSS library supports
+   gss_krb5_set_allowable_enctypes */
+#undef HAVE_SET_ALLOWABLE_ENCTYPES
+
+/* Define to 1 if you have the `sigprocmask' function. */
+#undef HAVE_SIGPROCMASK
+
+/* Define to 1 if you have the `socket' function. */
+#undef HAVE_SOCKET
+
+/* Define to 1 if you have the <sqlite3.h> header file. */
+#undef HAVE_SQLITE3_H
+
+/* Define to 1 if you have the `statx' function. */
+#undef HAVE_STATX
+
+/* Define to 1 if `stat' has the bug that it succeeds when given the
+   zero-length file name argument. */
+#undef HAVE_STAT_EMPTY_STRING_BUG
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#undef HAVE_STDINT_H
+
+/* Define to 1 if you have the <stdio.h> header file. */
+#undef HAVE_STDIO_H
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#undef HAVE_STDLIB_H
+
+/* Define to 1 if you have the `strcasecmp' function. */
+#undef HAVE_STRCASECMP
+
+/* Define to 1 if you have the `strchr' function. */
+#undef HAVE_STRCHR
+
+/* Define to 1 if you have the `strdup' function. */
+#undef HAVE_STRDUP
+
+/* Define to 1 if you have the `strerror' function. */
+#undef HAVE_STRERROR
+
+/* Define to 1 if you have the <strings.h> header file. */
+#undef HAVE_STRINGS_H
+
+/* Define to 1 if you have the <string.h> header file. */
+#undef HAVE_STRING_H
+
+/* Define to 1 if you have the `strrchr' function. */
+#undef HAVE_STRRCHR
+
+/* Define to 1 if you have the `strtol' function. */
+#undef HAVE_STRTOL
+
+/* Define to 1 if you have the `strtoul' function. */
+#undef HAVE_STRTOUL
+
+/* Define to 1 if the system has the type `struct file_handle'. */
+#undef HAVE_STRUCT_FILE_HANDLE
+
+/* Define to 1 if you have the <syslog.h> header file. */
+#undef HAVE_SYSLOG_H
+
+/* Define to 1 if you have the <sys/capability.h> header file. */
+#undef HAVE_SYS_CAPABILITY_H
+
+/* Define to 1 if you have the <sys/dir.h> header file, and it defines `DIR'.
+   */
+#undef HAVE_SYS_DIR_H
+
+/* Define to 1 if you have the <sys/file.h> header file. */
+#undef HAVE_SYS_FILE_H
+
+/* Define to 1 if you have the <sys/inotify.h> header file. */
+#undef HAVE_SYS_INOTIFY_H
+
+/* Define to 1 if you have the <sys/ioctl.h> header file. */
+#undef HAVE_SYS_IOCTL_H
+
+/* Define to 1 if you have the <sys/mount.h> header file. */
+#undef HAVE_SYS_MOUNT_H
+
+/* Define to 1 if you have the <sys/ndir.h> header file, and it defines `DIR'.
+   */
+#undef HAVE_SYS_NDIR_H
+
+/* Define to 1 if you have the <sys/param.h> header file. */
+#undef HAVE_SYS_PARAM_H
+
+/* Define to 1 if you have the <sys/select.h> header file. */
+#undef HAVE_SYS_SELECT_H
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#undef HAVE_SYS_SOCKET_H
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#undef HAVE_SYS_STAT_H
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#undef HAVE_SYS_TIME_H
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#undef HAVE_SYS_TYPES_H
+
+/* Define to 1 if you have the <sys/vfs.h> header file. */
+#undef HAVE_SYS_VFS_H
+
+/* tcp-wrapper */
+#undef HAVE_TCP_WRAPPER
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#undef HAVE_UNISTD_H
+
+/* Define to 1 if you have the `unshare' function. */
+#undef HAVE_UNSHARE
+
+/* Define to 1 if you have the `vfork' function. */
+#undef HAVE_VFORK
+
+/* Define to 1 if you have the <vfork.h> header file. */
+#undef HAVE_VFORK_H
+
+/* Define to 1 if you have the `vprintf' function. */
+#undef HAVE_VPRINTF
+
+/* Define to 1 if you have the <wchar.h> header file. */
+#undef HAVE_WCHAR_H
+
+/* Define to 1 if `fork' works. */
+#undef HAVE_WORKING_FORK
+
+/* Define to 1 if `vfork' works. */
+#undef HAVE_WORKING_VFORK
+
+/* Define this if you want IPv6 support compiled in */
+#undef IPV6_SUPPORTED
+
+/* Define this as the Kerberos version number */
+#undef KRB5_VERSION
+
+/* tcp-wrapper */
+#undef LIBWRAP
+
+/* Define to 1 if `lstat' dereferences a symlink specified with a trailing
+   slash. */
+#undef LSTAT_FOLLOWS_SLASHED_SYMLINK
+
+/* Define to the sub-directory where libtool stores uninstalled libraries. */
+#undef LT_OBJDIR
+
+/* Define to 1 if `major', `minor', and `makedev' are declared in <mkdev.h>.
+   */
+#undef MAJOR_IN_MKDEV
+
+/* Define to 1 if `major', `minor', and `makedev' are declared in
+   <sysmacros.h>. */
+#undef MAJOR_IN_SYSMACROS
+
+/* This defines the location of the NFS mount configuration file */
+#undef MOUNTOPTS_CONFFILE
+
+/* Define this if you want mount to read a configuration file */
+#undef MOUNT_CONFIG
+
+/* This defines the location of NFS daemon config file */
+#undef NFS_CONFFILE
+
+/* This defines the location of the NFS state files. Warning: this must match
+   definitions in config.mk! */
+#undef NFS_STATEDIR
+
+/* Define this to the pathname where statd keeps its state file */
+#undef NSM_DEFAULT_STATEDIR
+
+/* Name of package */
+#undef PACKAGE
+
+/* Define to the address where bug reports for this package should be sent. */
+#undef PACKAGE_BUGREPORT
+
+/* Define to the full name of this package. */
+#undef PACKAGE_NAME
+
+/* Define to the full name and version of this package. */
+#undef PACKAGE_STRING
+
+/* Define to the one symbol short name of this package. */
+#undef PACKAGE_TARNAME
+
+/* Define to the home page for this package. */
+#undef PACKAGE_URL
+
+/* Define to the version of this package. */
+#undef PACKAGE_VERSION
+
+/* Define this to change the plugins path */
+#undef PATH_PLUGINS
+
+/* Define to the type of arg 1 for `select'. */
+#undef SELECT_TYPE_ARG1
+
+/* Define to the type of args 2, 3 and 4 for `select'. */
+#undef SELECT_TYPE_ARG234
+
+/* Define to the type of arg 5 for `select'. */
+#undef SELECT_TYPE_ARG5
+
+/* The size of `int', as computed by sizeof. */
+#undef SIZEOF_INT
+
+/* The size of `long', as computed by sizeof. */
+#undef SIZEOF_LONG
+
+/* The size of `short', as computed by sizeof. */
+#undef SIZEOF_SHORT
+
+/* The size of `size_t', as computed by sizeof. */
+#undef SIZEOF_SIZE_T
+
+/* The size of `socklen_t', as computed by sizeof. */
+#undef SIZEOF_SOCKLEN_T
+
+/* If using the C implementation of alloca, define if you know the
+   direction of stack growth for your system; otherwise it will be
+   automatically deduced at runtime.
+	STACK_DIRECTION > 0 => grows toward higher addresses
+	STACK_DIRECTION < 0 => grows toward lower addresses
+	STACK_DIRECTION = 0 => direction of growth unknown */
+#undef STACK_DIRECTION
+
+/* Define this to a script which can start statd on mount */
+#undef START_STATD
+
+/* Define to 1 if all of the C90 standard headers exist (not just the ones
+   required in a freestanding environment). This macro is provided for
+   backward compatibility; new code need not use it. */
+#undef STDC_HEADERS
+
+/* Define to 1 if your <sys/time.h> declares `struct tm'. */
+#undef TM_IN_SYS_TIME
+
+/* Define if you want to use blkid to find uuid of filesystems */
+#undef USE_BLKID
+
+/* Enable extensions on AIX 3, Interix.  */
+#ifndef _ALL_SOURCE
+# undef _ALL_SOURCE
+#endif
+/* Enable general extensions on macOS.  */
+#ifndef _DARWIN_C_SOURCE
+# undef _DARWIN_C_SOURCE
+#endif
+/* Enable general extensions on Solaris.  */
+#ifndef __EXTENSIONS__
+# undef __EXTENSIONS__
+#endif
+/* Enable GNU extensions on systems that have them.  */
+#ifndef _GNU_SOURCE
+# undef _GNU_SOURCE
+#endif
+/* Enable X/Open compliant socket functions that do not require linking
+   with -lxnet on HP-UX 11.11.  */
+#ifndef _HPUX_ALT_XOPEN_SOCKET_API
+# undef _HPUX_ALT_XOPEN_SOCKET_API
+#endif
+/* Identify the host operating system as Minix.
+   This macro does not affect the system headers' behavior.
+   A future release of Autoconf may stop defining this macro.  */
+#ifndef _MINIX
+# undef _MINIX
+#endif
+/* Enable general extensions on NetBSD.
+   Enable NetBSD compatibility extensions on Minix.  */
+#ifndef _NETBSD_SOURCE
+# undef _NETBSD_SOURCE
+#endif
+/* Enable OpenBSD compatibility extensions on NetBSD.
+   Oddly enough, this does nothing on OpenBSD.  */
+#ifndef _OPENBSD_SOURCE
+# undef _OPENBSD_SOURCE
+#endif
+/* Define to 1 if needed for POSIX-compatible behavior.  */
+#ifndef _POSIX_SOURCE
+# undef _POSIX_SOURCE
+#endif
+/* Define to 2 if needed for POSIX-compatible behavior.  */
+#ifndef _POSIX_1_SOURCE
+# undef _POSIX_1_SOURCE
+#endif
+/* Enable POSIX-compatible threading on Solaris.  */
+#ifndef _POSIX_PTHREAD_SEMANTICS
+# undef _POSIX_PTHREAD_SEMANTICS
+#endif
+/* Enable extensions specified by ISO/IEC TS 18661-5:2014.  */
+#ifndef __STDC_WANT_IEC_60559_ATTRIBS_EXT__
+# undef __STDC_WANT_IEC_60559_ATTRIBS_EXT__
+#endif
+/* Enable extensions specified by ISO/IEC TS 18661-1:2014.  */
+#ifndef __STDC_WANT_IEC_60559_BFP_EXT__
+# undef __STDC_WANT_IEC_60559_BFP_EXT__
+#endif
+/* Enable extensions specified by ISO/IEC TS 18661-2:2015.  */
+#ifndef __STDC_WANT_IEC_60559_DFP_EXT__
+# undef __STDC_WANT_IEC_60559_DFP_EXT__
+#endif
+/* Enable extensions specified by ISO/IEC TS 18661-4:2015.  */
+#ifndef __STDC_WANT_IEC_60559_FUNCS_EXT__
+# undef __STDC_WANT_IEC_60559_FUNCS_EXT__
+#endif
+/* Enable extensions specified by ISO/IEC TS 18661-3:2015.  */
+#ifndef __STDC_WANT_IEC_60559_TYPES_EXT__
+# undef __STDC_WANT_IEC_60559_TYPES_EXT__
+#endif
+/* Enable extensions specified by ISO/IEC TR 24731-2:2010.  */
+#ifndef __STDC_WANT_LIB_EXT2__
+# undef __STDC_WANT_LIB_EXT2__
+#endif
+/* Enable extensions specified by ISO/IEC 24747:2009.  */
+#ifndef __STDC_WANT_MATH_SPEC_FUNCS__
+# undef __STDC_WANT_MATH_SPEC_FUNCS__
+#endif
+/* Enable extensions on HP NonStop.  */
+#ifndef _TANDEM_SOURCE
+# undef _TANDEM_SOURCE
+#endif
+/* Enable X/Open extensions.  Define to 500 only if necessary
+   to make mbstate_t available.  */
+#ifndef _XOPEN_SOURCE
+# undef _XOPEN_SOURCE
+#endif
+
+
+/* Version number of package */
+#undef VERSION
+
+/* Number of bits in a file offset, on hosts where this is settable. */
+#undef _FILE_OFFSET_BITS
+
+/* Define for large files, on AIX-style hosts. */
+#undef _LARGE_FILES
+
+/* Define to empty if `const' does not conform to ANSI C. */
+#undef const
+
+/* Define to `int' if <sys/types.h> doesn't define. */
+#undef gid_t
+
+/* Define to `__inline__' or `__inline' if that's what the C compiler
+   calls it, or to nothing if 'inline' is not supported under any name.  */
+#ifndef __cplusplus
+#undef inline
+#endif
+
+/* Define to `long int' if <sys/types.h> does not define. */
+#undef off_t
+
+/* Define as a signed integer type capable of holding a process identifier. */
+#undef pid_t
+
+/* Define to `unsigned int' if <sys/types.h> does not define. */
+#undef size_t
+
+/* Define to `int' if <sys/types.h> doesn't define. */
+#undef uid_t
+
+/* Define as `fork' if `vfork' does not work. */
+#undef vfork
diff --git a/support/include/exportfs.h b/support/include/exportfs.h
new file mode 100644
index 0000000..9edf0d0
--- /dev/null
+++ b/support/include/exportfs.h
@@ -0,0 +1,179 @@
+/*
+ * support/include/exportfs.h
+ *
+ * Declarations for exportfs and mountd
+ *
+ * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifndef EXPORTFS_H
+#define EXPORTFS_H
+
+#include <netdb.h>
+#include <string.h>
+
+#include "sockaddr.h"
+#include "nfslib.h"
+
+enum {
+	MCL_FQDN = 0,
+	MCL_SUBNETWORK,
+	MCL_IPADDR = MCL_SUBNETWORK,
+	MCL_WILDCARD,
+	MCL_NETGROUP,
+	MCL_ANONYMOUS,
+	MCL_GSS,
+	MCL_MAXTYPES
+};
+
+enum {
+	FSLOC_NONE = 0,
+	FSLOC_REFER,
+	FSLOC_REPLICA,
+	FSLOC_STUB
+};
+
+#ifndef EXP_LOCKFILE
+#define EXP_LOCKFILE "/var/lib/nfs/export-lock"
+#endif
+
+typedef struct mclient {
+	struct mclient *	m_next;
+	char *			m_hostname;
+	int			m_type;
+	int			m_naddr;
+	union nfs_sockaddr	m_addrlist[NFSCLNT_ADDRMAX];
+	int			m_exported;	/* exported to nfsd */
+	int			m_count;
+} nfs_client;
+
+static inline const struct sockaddr *
+get_addrlist(const nfs_client *clp, const int i)
+{
+	return &clp->m_addrlist[i].sa;
+}
+
+static inline const struct sockaddr_in *
+get_addrlist_in(const nfs_client *clp, const int i)
+{
+	return &clp->m_addrlist[i].s4;
+}
+
+static inline const struct sockaddr_in6 *
+get_addrlist_in6(const nfs_client *clp, const int i)
+{
+	return &clp->m_addrlist[i].s6;
+}
+
+static inline void
+set_addrlist_in(nfs_client *clp, const int i, const struct sockaddr_in *sin)
+{
+	memcpy(&clp->m_addrlist[i].s4, sin, sizeof(*sin));
+}
+
+static inline void
+set_addrlist_in6(nfs_client *clp, const int i, const struct sockaddr_in6 *sin6)
+{
+	memcpy(&clp->m_addrlist[i].s6, sin6, sizeof(*sin6));
+}
+
+static inline void
+set_addrlist(nfs_client *clp, const int i, const struct sockaddr *sap)
+{
+	switch (sap->sa_family) {
+	case AF_INET:
+		memcpy(&clp->m_addrlist[i].s4, sap, sizeof(struct sockaddr_in));
+		break;
+#ifdef IPV6_SUPPORTED
+	case AF_INET6:
+		memcpy(&clp->m_addrlist[i].s6, sap, sizeof(struct sockaddr_in6));
+		break;
+#endif
+	}
+}
+
+typedef struct mexport {
+	struct mexport *	m_next;
+	struct mclient *	m_client;
+	struct exportent	m_export;
+	int			m_exported;	/* known to knfsd. */
+	unsigned int		m_xtabent  : 1,	/* xtab entry exists */
+				m_mayexport: 1,	/* derived from xtabbed */
+				m_changed  : 1, /* options (may) have changed */
+				m_warned   : 1; /* warned about multiple exports
+						 * matching one client */
+} nfs_export;
+
+#define HASH_TABLE_SIZE 1021
+
+extern int default_ttl;
+
+typedef struct _exp_hash_entry {
+	nfs_export * p_first;
+  	nfs_export * p_last;
+} exp_hash_entry;
+
+typedef struct _exp_hash_table {
+	nfs_export * p_head;
+	exp_hash_entry entries[HASH_TABLE_SIZE];
+} exp_hash_table;
+
+extern exp_hash_table exportlist[MCL_MAXTYPES];
+
+extern nfs_client *		clientlist[MCL_MAXTYPES];
+
+nfs_client *			client_lookup(char *hname, int canonical);
+nfs_client *			client_dup(const nfs_client *clp,
+						const struct addrinfo *ai);
+int				client_gettype(char *hname);
+int				client_check(const nfs_client *clp,
+						const struct addrinfo *ai);
+void				client_release(nfs_client *);
+void				client_freeall(void);
+char *				client_compose(const struct addrinfo *ai);
+struct addrinfo *		client_resolve(const struct sockaddr *sap);
+int 				client_member(const char *client,
+						const char *name);
+
+int				export_read(char *fname, int ignore_hosts);
+int				export_d_read(const char *dname, int ignore_hosts);
+void				export_reset(nfs_export *);
+nfs_export *			export_lookup(char *hname, char *path, int caconical);
+nfs_export *			export_find(const struct addrinfo *ai,
+						const char *path);
+nfs_export *			export_create(struct exportent *, int canonical);
+void				exportent_release(struct exportent *);
+void				export_freeall(void);
+
+extern struct state_paths etab;
+int				xtab_export_read(void);
+int				xtab_export_write(void);
+
+int				secinfo_addflavor(struct flav_info *, struct exportent *);
+
+char *				host_ntop(const struct sockaddr *sap,
+						char *buf, const size_t buflen);
+__attribute__((__malloc__))
+struct addrinfo *		host_pton(const char *paddr);
+__attribute__((__malloc__))
+struct addrinfo *		host_addrinfo(const char *hostname);
+__attribute__((__malloc__))
+char *				host_canonname(const struct sockaddr *sap);
+__attribute__((__malloc__))
+struct addrinfo *		host_reliable_addrinfo(const struct sockaddr *sap);
+__attribute__((__malloc__))
+struct addrinfo *		host_numeric_addrinfo(const struct sockaddr *sap);
+
+struct nfskey *			key_lookup(char *hname);
+
+struct export_features {
+	unsigned int flags;
+	unsigned int secinfo_flags;
+};
+
+struct export_features *get_export_features(void);
+void fix_pseudoflavor_flags(struct exportent *ep);
+char *exportent_realpath(struct exportent *eep);
+int export_test(struct exportent *eep, int with_fsid);
+
+#endif /* EXPORTFS_H */
diff --git a/support/include/fsloc.h b/support/include/fsloc.h
new file mode 100644
index 0000000..1605df4
--- /dev/null
+++ b/support/include/fsloc.h
@@ -0,0 +1,50 @@
+/*
+ * COPYRIGHT (c) 2006
+ * THE REGENTS OF THE UNIVERSITY OF MICHIGAN
+ * ALL RIGHTS RESERVED
+ *
+ * Permission is granted to use, copy, create derivative works
+ * and redistribute this software and such derivative works
+ * for any purpose, so long as the name of The University of
+ * Michigan is not used in any advertising or publicity
+ * pertaining to the use of distribution of this software
+ * without specific, written prior authorization.  If the
+ * above copyright notice or any other identification of the
+ * University of Michigan is included in any copy of any
+ * portion of this software, then the disclaimer below must
+ * also be included.
+ *
+ * THIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION
+ * FROM THE UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY
+ * PURPOSE, AND WITHOUT WARRANTY BY THE UNIVERSITY OF
+ * MICHIGAN OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING
+ * WITHOUT LIMITATION THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
+ * REGENTS OF THE UNIVERSITY OF MICHIGAN SHALL NOT BE LIABLE
+ * FOR ANY DAMAGES, INCLUDING SPECIAL, INDIRECT, INCIDENTAL, OR
+ * CONSEQUENTIAL DAMAGES, WITH RESPECT TO ANY CLAIM ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OF THE SOFTWARE, EVEN
+ * IF IT HAS BEEN OR IS HEREAFTER ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGES.
+ */
+
+#ifndef FSLOC_H
+#define FSLOC_H
+
+#define FSLOC_MAX_LIST 40
+
+struct mount_point {
+	char *h_host;
+	char *h_path;
+};
+
+struct servers {
+	int h_num;
+	struct mount_point *h_mp[FSLOC_MAX_LIST];
+	int h_referral;		/* 0=replica, 1=referral */
+};
+
+struct servers *replicas_lookup(int method, char *data);
+void release_replicas(struct servers *server);
+
+#endif /* FSLOC_H */
diff --git a/support/include/ha-callout.h b/support/include/ha-callout.h
new file mode 100644
index 0000000..a454bdb
--- /dev/null
+++ b/support/include/ha-callout.h
@@ -0,0 +1,59 @@
+/*
+ * support/include/ha-callout.h
+ *
+ * High Availability NFS Callout support routines
+ *
+ * Copyright (c) 2004, Paul Clements, SteelEye Technology
+ *
+ * In order to implement HA NFS, we need several callouts at key
+ * points in statd and mountd. These callouts all come to ha_callout(),
+ * which, in turn, calls out to an ha-callout script (not part of nfs-utils;
+ * defined by -H argument to rpc.statd and rpc.mountd).
+ */
+#ifndef HA_CALLOUT_H
+#define HA_CALLOUT_H
+
+#include <sys/wait.h>
+#include <signal.h>
+
+extern char *ha_callout_prog;
+
+static inline void
+ha_callout(char *event, char *arg1, char *arg2, int arg3)
+{
+	char buf[16]; /* should be plenty */
+	pid_t pid;
+	int ret = -1;
+	struct sigaction oldact, newact;
+
+	if (!ha_callout_prog) /* HA callout is not enabled */
+		return;
+
+	sprintf(buf, "%d", arg3);
+
+	/* many daemons ignore SIGCHLD as tcpwrappers will
+	 * fork a child to do logging.  We need to wait
+	 * for a child here, so we need to un-ignore
+	 * SIGCHLD temporarily
+	 */
+	newact.sa_handler = SIG_DFL;
+	newact.sa_flags = 0;
+	sigemptyset(&newact.sa_mask);
+	sigaction(SIGCHLD, &newact, &oldact);
+	pid = fork();
+	switch (pid) {
+		case 0: execl(ha_callout_prog, ha_callout_prog,
+				event, arg1, arg2, 
+			      arg3 < 0 ? NULL : buf,
+			      NULL);
+			perror("execl");
+			_exit(2);
+		case -1: perror("fork");
+			break;
+		default: pid = waitpid(pid, &ret, 0);
+  	}
+	sigaction(SIGCHLD, &oldact, &newact);
+	xlog(D_GENERAL, "ha callout returned %d\n", WEXITSTATUS(ret));
+}
+
+#endif
diff --git a/support/include/junction.h b/support/include/junction.h
new file mode 100644
index 0000000..7257d80
--- /dev/null
+++ b/support/include/junction.h
@@ -0,0 +1,167 @@
+/*
+ * @file support/include/junction.h
+ * @brief Declarations for libjunction.a
+ */
+
+/*
+ * Copyright 2010, 2018 Oracle.  All rights reserved.
+ *
+ * This file is part of nfs-utils.
+ *
+ * nfs-utils is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2.0 as
+ * published by the Free Software Foundation.
+ *
+ * nfs-utils is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License version 2.0 for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2.0 along with nfs-utils.  If not, see:
+ *
+ *	http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
+ */
+
+#ifndef _NFS_JUNCTION_H_
+#define _NFS_JUNCTION_H_
+
+#include <stdint.h>
+
+/*
+ * The libjunction APIs use the status codes from the FedFS ADMIN
+ * protocol, which includes non-errno codes like FEDFS_ERR_NOTJUNCT.
+ */
+enum FedFsStatus {
+	FEDFS_OK = 0,
+	FEDFS_ERR_ACCESS = 1,
+	FEDFS_ERR_BADCHAR = 2,
+	FEDFS_ERR_BADNAME = 3,
+	FEDFS_ERR_NAMETOOLONG = 4,
+	FEDFS_ERR_LOOP = 5,
+	FEDFS_ERR_BADXDR = 6,
+	FEDFS_ERR_EXIST = 7,
+	FEDFS_ERR_INVAL = 8,
+	FEDFS_ERR_IO = 9,
+	FEDFS_ERR_NOSPC = 10,
+	FEDFS_ERR_NOTJUNCT = 11,
+	FEDFS_ERR_NOTLOCAL = 12,
+	FEDFS_ERR_PERM = 13,
+	FEDFS_ERR_ROFS = 14,
+	FEDFS_ERR_SVRFAULT = 15,
+	FEDFS_ERR_NOTSUPP = 16,
+	FEDFS_ERR_NSDB_ROUTE = 17,
+	FEDFS_ERR_NSDB_DOWN = 18,
+	FEDFS_ERR_NSDB_CONN = 19,
+	FEDFS_ERR_NSDB_AUTH = 20,
+	FEDFS_ERR_NSDB_LDAP = 21,
+	FEDFS_ERR_NSDB_LDAP_VAL = 22,
+	FEDFS_ERR_NSDB_NONCE = 23,
+	FEDFS_ERR_NSDB_NOFSN = 24,
+	FEDFS_ERR_NSDB_NOFSL = 25,
+	FEDFS_ERR_NSDB_RESPONSE = 26,
+	FEDFS_ERR_NSDB_FAULT = 27,
+	FEDFS_ERR_NSDB_PARAMS = 28,
+	FEDFS_ERR_NSDB_LDAP_REFERRAL = 29,
+	FEDFS_ERR_NSDB_LDAP_REFERRAL_VAL = 30,
+	FEDFS_ERR_NSDB_LDAP_REFERRAL_NOTFOLLOWED = 31,
+	FEDFS_ERR_NSDB_PARAMS_LDAP_REFERRAL = 32,
+	FEDFS_ERR_PATH_TYPE_UNSUPP = 33,
+	FEDFS_ERR_DELAY = 34,
+	FEDFS_ERR_NO_CACHE = 35,
+	FEDFS_ERR_UNKNOWN_CACHE = 36,
+	FEDFS_ERR_NO_CACHE_UPDATE = 37,
+};
+typedef enum FedFsStatus FedFsStatus;
+
+/**
+ * Contains NFS fileset location information
+ *
+ * Each of these represents one server:/rootpath pair.  The NFS
+ * implementation can coalesce multiple pairs into a single
+ * fs_location4 result if jfl_rootpath is the same across
+ * multiple servers.
+ *
+ * The nfl_server field can contain either one presentation format
+ * IP address or one DNS hostname.
+ *
+ * See Section 11.9 and 11.10 of RFC 5661 or section 4.2.2.3 and
+ * 4.2.2.4 of the NSDB protocol draft for details.
+ */
+
+struct nfs_fsloc {
+	struct nfs_fsloc	 *nfl_next;
+
+	char			 *nfl_hostname;
+	uint16_t		  nfl_hostport;
+	char			**nfl_rootpath;
+
+	struct {
+		_Bool		  nfl_varsub;
+	} nfl_flags;
+	int32_t			  nfl_currency;
+	int32_t			  nfl_validfor;
+
+	struct {
+		_Bool		  nfl_writable, nfl_going, nfl_split;
+	} nfl_genflags;
+	struct {
+		_Bool		  nfl_rdma;
+	} nfl_transflags;
+	struct {
+		uint8_t		  nfl_simul, nfl_handle, nfl_fileid;
+		uint8_t		  nfl_writever, nfl_change, nfl_readdir;
+		uint8_t		  nfl_readrank, nfl_writerank;
+		uint8_t		  nfl_readorder, nfl_writeorder;
+	} nfl_info;
+};
+
+
+/**
+ ** NFS location data management functions
+ **/
+
+void		  nfs_free_location(struct nfs_fsloc *location);
+void		  nfs_free_locations(struct nfs_fsloc *locations);
+struct nfs_fsloc *nfs_new_location(void);
+
+__attribute_malloc__
+char		**nfs_dup_string_array(char **array);
+void		  nfs_free_string_array(char **array);
+
+
+/**
+ ** NFS junction management functions
+ **/
+
+FedFsStatus	 nfs_delete_junction(const char *pathname);
+FedFsStatus	 nfs_add_junction(const char *pathname,
+				struct nfs_fsloc *locations);
+FedFsStatus	 nfs_get_locations(const char *pathname,
+				struct nfs_fsloc **locations);
+FedFsStatus	 nfs_is_prejunction(const char *pathname);
+FedFsStatus	 nfs_is_junction(const char *pathname);
+
+
+/**
+ ** Flush kernel NFS server's export cache
+ **/
+FedFsStatus	 junction_flush_exports_cache(void);
+
+/**
+ ** Pathname conversion helpers
+ **/
+void		 nsdb_free_string_array(char **strings);
+FedFsStatus	 nsdb_path_array_to_posix(char * const *path_array,
+				char **pathname);
+FedFsStatus	 nsdb_posix_to_path_array(const char *pathname,
+				char ***path_array);
+
+/**
+ ** Readability helpers
+ **/
+
+const char      *nsdb_display_fedfsstatus(const FedFsStatus status);
+void             nsdb_print_fedfsstatus(const FedFsStatus status);
+
+#endif	/* !_NFS_JUNCTION_H_ */
diff --git a/support/include/misc.h b/support/include/misc.h
new file mode 100644
index 0000000..2b0fef2
--- /dev/null
+++ b/support/include/misc.h
@@ -0,0 +1,31 @@
+/*
+ * misc.h	All that didn't fit elsewhere.
+ *
+ * Copyright (C) 1995 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifndef MISC_H
+#define MISC_H
+
+/*
+ * Generate random key, returning the length of the result. Currently,
+ * weakrandomkey generates a maximum of 20 bytes are generated, but this
+ * may change with future implementations.
+ */
+int	randomkey(unsigned char *keyout, int len);
+int	weakrandomkey(unsigned char *keyout, int len);
+
+char *generic_make_pathname(const char *, const char *);
+_Bool generic_setup_basedir(const char *, const char *, char *, const size_t);
+
+struct stat;
+
+extern int check_is_mountpoint(const char *path,
+		int (mystat)(const char *, struct stat *));
+#define is_mountpoint(path) \
+	check_is_mountpoint(path, NULL)
+
+/* size of the file pointer buffers for rpc procfs files */
+#define RPC_CHAN_BUF_SIZE 32768
+
+#endif /* MISC_H */
diff --git a/support/include/nfs/Makefile.am b/support/include/nfs/Makefile.am
new file mode 100644
index 0000000..9903ba1
--- /dev/null
+++ b/support/include/nfs/Makefile.am
@@ -0,0 +1,5 @@
+## Process this file with automake to produce Makefile.in
+
+noinst_HEADERS = debug.h export.h nfs.h
+
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diff --git a/support/include/nfs/Makefile.in b/support/include/nfs/Makefile.in
new file mode 100644
index 0000000..00cbc35
--- /dev/null
+++ b/support/include/nfs/Makefile.in
@@ -0,0 +1,601 @@
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+
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+libexecdir = @libexecdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+mountfile = @mountfile@
+nfsconfig = @nfsconfig@
+oldincludedir = @oldincludedir@
+pdfdir = @pdfdir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+rpc_pipefsmount = @rpc_pipefsmount@
+runstatedir = @runstatedir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+srcdir = @srcdir@
+startstatd = @startstatd@
+statdpath = @statdpath@
+statduser = @statduser@
+statedir = @statedir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+unitdir = @unitdir@
+noinst_HEADERS = debug.h export.h nfs.h
+MAINTAINERCLEANFILES = Makefile.in
+all: all-am
+
+.SUFFIXES:
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu support/include/nfs/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu support/include/nfs/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
+tags: tags-am
+TAGS: tags
+
+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	set x; \
+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(HEADERS)
+installdirs:
+install: install-am
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+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
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+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-generic clean-libtool mostlyclean-am
+
+distclean: distclean-am
+	-rm -f Makefile
+distclean-am: clean-am distclean-generic distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-dvi-am:
+
+install-exec-am:
+
+install-html: install-html-am
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+install-info-am:
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+install-man:
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+install-pdf: install-pdf-am
+
+install-pdf-am:
+
+install-ps: install-ps-am
+
+install-ps-am:
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+	-rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-generic mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean clean-generic \
+	clean-libtool cscopelist-am ctags ctags-am distclean \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-man install-pdf \
+	install-pdf-am install-ps install-ps-am install-strip \
+	installcheck installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-generic \
+	mostlyclean-libtool pdf pdf-am ps ps-am tags tags-am uninstall \
+	uninstall-am
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/support/include/nfs/debug.h b/support/include/nfs/debug.h
new file mode 100644
index 0000000..80a1b1d
--- /dev/null
+++ b/support/include/nfs/debug.h
@@ -0,0 +1,85 @@
+#ifndef _NFS_DEBUG_H
+#define _NFS_DEBUG_H
+
+/*
+ * RPC debug facilities
+ */
+#define RPCDBG_XPRT		0x0001
+#define RPCDBG_CALL		0x0002
+#define RPCDBG_DEBUG		0x0004
+#define RPCDBG_NFS		0x0008
+#define RPCDBG_AUTH		0x0010
+#define RPCDBG_BIND		0x0020
+#define RPCDBG_SCHED		0x0040
+#define RPCDBG_TRANS		0x0080
+#define RPCDBG_SVCSOCK		0x0100
+#define RPCDBG_SVCDSP		0x0200
+#define RPCDBG_MISC		0x0400
+#define RPCDBG_CACHE		0x0800
+#define RPCDBG_ALL		0x7fff
+
+/*
+ * Declarations for the sysctl debug interface, which allows to read or
+ * change the debug flags for rpc, nfs, nfsd, and lockd. Since the sunrpc
+ * module currently registers its sysctl table dynamically, the sysctl path
+ * for module FOO is <CTL_SUNRPC, CTL_FOODEBUG>.
+ */
+#define CTL_SUNRPC	7249	/* arbitrary and hopefully unused */
+
+enum {
+	CTL_RPCDEBUG = 1,
+	CTL_NFSDEBUG,
+	CTL_NFSDDEBUG,
+	CTL_NLMDEBUG,
+};
+
+
+/*
+ * knfsd debug flags
+ */
+#define NFSDDBG_SOCK		0x0001
+#define NFSDDBG_FH		0x0002
+#define NFSDDBG_EXPORT		0x0004
+#define NFSDDBG_SVC		0x0008
+#define NFSDDBG_PROC		0x0010
+#define NFSDDBG_FILEOP		0x0020
+#define NFSDDBG_AUTH		0x0040
+#define NFSDDBG_REPCACHE	0x0080
+#define NFSDDBG_XDR		0x0100
+#define NFSDDBG_LOCKD		0x0200
+#define NFSDDBG_ALL		0x7FFF
+#define NFSDDBG_NOCHANGE	0xFFFF
+
+/*
+ * Debug flags
+ */
+#define NLMDBG_SVC		0x0001
+#define NLMDBG_CLIENT		0x0002
+#define NLMDBG_CLNTLOCK		0x0004
+#define NLMDBG_SVCLOCK		0x0008
+#define NLMDBG_MONITOR		0x0010
+#define NLMDBG_CLNTSUBS		0x0020
+#define NLMDBG_SVCSUBS		0x0040
+#define NLMDBG_HOSTCACHE	0x0080
+#define NLMDBG_XDR		0x0100
+#define NLMDBG_ALL		0x7fff
+
+
+#define NFSDBG_VFS		0x0001
+#define NFSDBG_DIRCACHE		0x0002
+#define NFSDBG_LOOKUPCACHE	0x0004
+#define NFSDBG_PAGECACHE	0x0008
+#define NFSDBG_PROC		0x0010
+#define NFSDBG_XDR		0x0020
+#define NFSDBG_FILE		0x0040
+#define NFSDBG_ROOT		0x0080
+#define NFSDBG_CALLBACK		0x0100
+#define NFSDBG_CLIENT		0x0200
+#define NFSDBG_MOUNT		0x0400
+#define NFSDBG_FSCACHE		0x0800
+#define NFSDBG_PNFS			0x1000
+#define NFSDBG_PNFS_LD		0x2000
+#define NFSDBG_STATE		0x4000
+#define NFSDBG_ALL		0xFFFF
+
+#endif /* _NFS_DEBUG_H */
diff --git a/support/include/nfs/export.h b/support/include/nfs/export.h
new file mode 100644
index 0000000..be5867c
--- /dev/null
+++ b/support/include/nfs/export.h
@@ -0,0 +1,57 @@
+#ifndef _NSF_EXPORT_H
+#define _NSF_EXPORT_H
+
+/*
+ * Important limits for the exports stuff.
+ */
+#define NFSCLNT_IDMAX		1024
+#define NFSCLNT_ADDRMAX		16
+#define NFSCLNT_KEYMAX		32
+
+/*
+ * Export flags.
+ */
+#define NFSEXP_READONLY		0x0001
+#define NFSEXP_INSECURE_PORT	0x0002
+#define NFSEXP_ROOTSQUASH	0x0004
+#define NFSEXP_ALLSQUASH	0x0008
+#define NFSEXP_ASYNC		0x0010
+#define NFSEXP_GATHERED_WRITES	0x0020
+#define NFSEXP_NOREADDIRPLUS	0x0040
+#define NFSEXP_SECURITY_LABEL	0x0080
+/* 0x100 unused */
+#define NFSEXP_NOHIDE		0x0200
+#define NFSEXP_NOSUBTREECHECK	0x0400
+#define NFSEXP_NOAUTHNLM	0x0800
+#define NFSEXP_FSID		0x2000
+#define	NFSEXP_CROSSMOUNT	0x4000
+#define NFSEXP_NOACL		0x8000 /* reserved for possible ACL related use */
+#define NFSEXP_V4ROOT		0x10000
+#define NFSEXP_PNFS            0x20000
+/*
+ * All flags supported by the kernel before addition of the
+ * export_features interface:
+ */
+#define NFSEXP_OLDFLAGS		0x7E3F
+/*
+ * Flags that can vary per flavor, for kernels before addition of the
+ * export_features interface:
+ */
+#define NFSEXP_OLD_SECINFO_FLAGS (NFSEXP_READONLY | NFSEXP_ROOTSQUASH \
+					| NFSEXP_ALLSQUASH)
+
+/*
+ * Transport layer security policies that are permitted to access
+ * an export
+ */
+#define NFSEXP_XPRTSEC_NONE	0x0001
+#define NFSEXP_XPRTSEC_TLS	0x0002
+#define NFSEXP_XPRTSEC_MTLS	0x0004
+
+#define NFSEXP_XPRTSEC_NUM	(3)
+
+#define NFSEXP_XPRTSEC_ALL	(NFSEXP_XPRTSEC_NONE | \
+				 NFSEXP_XPRTSEC_TLS | \
+				 NFSEXP_XPRTSEC_MTLS)
+
+#endif /* _NSF_EXPORT_H */
diff --git a/support/include/nfs/nfs.h b/support/include/nfs/nfs.h
new file mode 100644
index 0000000..b7d9e06
--- /dev/null
+++ b/support/include/nfs/nfs.h
@@ -0,0 +1,51 @@
+#ifndef _NFS_NFS_H
+#define _NFS_NFS_H
+
+#include <config.h>
+
+#include <linux/posix_types.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <rpcsvc/nfs_prot.h>
+#include <nfs/export.h>
+#include <limits.h>
+
+#define	NFS3_FHSIZE	64
+#define	NFS_FHSIZE	32
+
+#define NFSD_MINVERS 2
+#define NFSD_MAXVERS 4
+
+#define NFS4_MINMINOR 0
+#define NFS4_MAXMINOR (WORD_BIT-1)
+
+struct nfs_fh_len {
+	int		fh_size;
+	u_int8_t	fh_handle[NFS3_FHSIZE];
+};
+
+
+#define NFSCTL_UDPBIT		      (1 << (17 - 1))
+#define NFSCTL_TCPBIT		      (1 << (18 - 1))
+#define NFSCTL_PROTODEFAULT	      (NFSCTL_TCPBIT)
+
+#define NFSCTL_VERUNSET(_cltbits, _v) ((_cltbits) &= ~(1 << ((_v) - 1))) 
+#define NFSCTL_MINORUNSET(_cltbits, _v) ((_cltbits) &= ~(1 << (_v)))
+#define NFSCTL_UDPUNSET(_cltbits)     ((_cltbits) &= ~NFSCTL_UDPBIT) 
+#define NFSCTL_TCPUNSET(_cltbits)     ((_cltbits) &= ~NFSCTL_TCPBIT) 
+
+#define NFSCTL_VERISSET(_cltbits, _v) ((_cltbits) & (1 << ((_v) - 1))) 
+#define NFSCTL_MINORISSET(_cltbits, _v) ((_cltbits) & (1 << (_v)))
+#define NFSCTL_UDPISSET(_cltbits)     ((_cltbits) & NFSCTL_UDPBIT) 
+#define NFSCTL_TCPISSET(_cltbits)     ((_cltbits) & NFSCTL_TCPBIT) 
+
+#define NFSCTL_VERDEFAULT (0xc)       /* versions 3 and 4 */
+#define NFSCTL_MINDEFAULT (0x7)       /* minor versions 4.1 and 4.2 */
+#define NFSCTL_VERSET(_cltbits, _v)   ((_cltbits) |= (1 << ((_v) - 1))) 
+#define NFSCTL_MINORSET(_cltbits, _v)   ((_cltbits) |= (1 << (_v)))
+#define NFSCTL_UDPSET(_cltbits)       ((_cltbits) |= NFSCTL_UDPBIT)
+#define NFSCTL_TCPSET(_cltbits)       ((_cltbits) |= NFSCTL_TCPBIT)
+
+#define NFSCTL_ANYPROTO(_cltbits)     ((_cltbits) & (NFSCTL_UDPBIT | NFSCTL_TCPBIT))
+
+#endif /* _NFS_NFS_H */
diff --git a/support/include/nfs_mntent.h b/support/include/nfs_mntent.h
new file mode 100644
index 0000000..010df24
--- /dev/null
+++ b/support/include/nfs_mntent.h
@@ -0,0 +1,26 @@
+/*
+ * 2006-06-08 Amit Gud <agud@redhat.com>
+ * - Moved code snippets here from util-linux/mount/my_mntent.h
+ */
+
+#ifndef _NFS_MNTENT_H
+#define _NFS_MNTENT_H
+#include <mntent.h>
+
+#define ERR_MAX 5
+
+typedef struct mntFILEstruct {
+	FILE *mntent_fp;
+	char *mntent_file;
+	int mntent_lineno;
+	int mntent_errs;
+	int mntent_softerrs;
+} mntFILE;
+
+mntFILE *nfs_setmntent (const char *file, char *mode);
+void nfs_endmntent (mntFILE *mfp);
+int nfs_addmntent (mntFILE *mfp, struct mntent *mnt);
+struct nfs_mntent *my_getmntent (mntFILE *mfp);
+struct mntent *nfs_getmntent (mntFILE *mfp);
+
+#endif /* _NFS_MNTENT_H */
diff --git a/support/include/nfs_paths.h b/support/include/nfs_paths.h
new file mode 100644
index 0000000..de4ac19
--- /dev/null
+++ b/support/include/nfs_paths.h
@@ -0,0 +1,11 @@
+#ifndef _NFS_PATHS_H
+#define _NFS_PATHS_H
+
+#ifndef _PATH_MOUNTED
+#define _PATH_MOUNTED "/etc/fstab"
+#endif
+#define MOUNTED_LOCK	_PATH_MOUNTED "~"
+#define MOUNTED_TEMP	_PATH_MOUNTED ".tmp"
+
+#endif /* _NFS_PATHS_H */
+
diff --git a/support/include/nfsd_path.h b/support/include/nfsd_path.h
new file mode 100644
index 0000000..aa1e1dd
--- /dev/null
+++ b/support/include/nfsd_path.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2019 Trond Myklebust <trond.myklebust@hammerspace.com>
+ */
+#ifndef NFSD_PATH_H
+#define NFSD_PATH_H
+
+#include <sys/stat.h>
+
+struct file_handle;
+struct statfs;
+
+void 		nfsd_path_init(void);
+
+const char *	nfsd_path_nfsd_rootdir(void);
+char *		nfsd_path_strip_root(char *pathname);
+char *		nfsd_path_prepend_dir(const char *dir, const char *pathname);
+
+int 		nfsd_path_stat(const char *pathname, struct stat *statbuf);
+int 		nfsd_path_lstat(const char *pathname, struct stat *statbuf);
+
+int		nfsd_path_statfs(const char *pathname,
+				   struct statfs *statbuf);
+
+char *		nfsd_realpath(const char *path, char *resolved_path);
+
+ssize_t		nfsd_path_read(int fd, char *buf, size_t len);
+ssize_t		nfsd_path_write(int fd, const char *buf, size_t len);
+
+int		nfsd_name_to_handle_at(int fd, const char *path,
+				       struct file_handle *fh,
+				       int *mount_id, int flags);
+#endif
diff --git a/support/include/nfslib.h b/support/include/nfslib.h
new file mode 100644
index 0000000..bdbde78
--- /dev/null
+++ b/support/include/nfslib.h
@@ -0,0 +1,187 @@
+/*
+ * support/include/nfslib.h
+ *
+ * General support functions for NFS user-space programs.
+ *
+ * Copyright (C) 1995 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifndef NFSLIB_H
+#define NFSLIB_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <stdio.h>
+#include <stdbool.h>
+#include <paths.h>
+#include <rpcsvc/nfs_prot.h>
+#include <nfs/nfs.h>
+#include "xlog.h"
+
+#ifndef _PATH_EXPORTS
+#define _PATH_EXPORTS		"/etc/exports"
+#endif
+#ifndef _PATH_EXPORTS_D
+#define _PATH_EXPORTS_D         "/etc/exports.d"
+#endif
+#ifndef _EXT_EXPORT
+#define _EXT_EXPORT             ".exports"
+#endif
+#ifndef _PATH_IDMAPDCONF
+#define _PATH_IDMAPDCONF	"/etc/idmapd.conf"
+#endif
+#ifndef _PATH_PROC_EXPORTS
+#define	_PATH_PROC_EXPORTS	"/proc/fs/nfs/exports"
+#define	_PATH_PROC_EXPORTS_ALT	"/proc/fs/nfsd/exports"
+#endif
+
+#define ETAB		"etab"
+#define ETABTMP		"etab.tmp"
+#define ETABLCK 	".etab.lock"
+#define RMTAB		"rmtab"
+#define RMTABTMP	"rmtab.tmp"
+#define RMTABLCK	".rmtab.lock"
+
+struct state_paths {
+	char *statefn;
+	char *tmpfn;
+	char *lockfn;
+};
+
+/* Maximum number of security flavors on an export: */
+#define SECFLAVOR_COUNT 8
+
+struct sec_entry {
+	struct flav_info *flav;
+	int flags;
+};
+
+#define XPRTSECMODE_COUNT 3
+
+struct xprtsec_info {
+	const char		*name;
+	int			number;
+};
+
+struct xprtsec_entry {
+	const struct xprtsec_info *info;
+	int			flags;
+};
+
+/*
+ * Data related to a single exports entry as returned by getexportent.
+ * FIXME: export options should probably be parsed at a later time to
+ * allow overrides when using exportfs.
+ */
+struct exportent {
+	char *		e_hostname;
+	char		e_path[NFS_MAXPATHLEN+1];
+	int		e_flags;
+	int		e_anonuid;
+	int		e_anongid;
+	int *		e_squids;
+	int		e_nsquids;
+	int *		e_sqgids;
+	int		e_nsqgids;
+	unsigned int	e_fsid;
+	char *		e_mountpoint;
+	int             e_fslocmethod;
+	char *          e_fslocdata;
+	char *		e_uuid;
+	struct sec_entry e_secinfo[SECFLAVOR_COUNT+1];
+	struct xprtsec_entry e_xprtsec[XPRTSECMODE_COUNT + 1];
+	unsigned int	e_ttl;
+	char *		e_realpath;
+	int		e_reexport;
+};
+
+struct rmtabent {
+	char		r_client[NFSCLNT_IDMAX+1];
+	char		r_path[NFS_MAXPATHLEN+1];
+	int		r_count;
+};
+
+/*
+ * configuration file parsing
+ */
+void			setexportent(char *fname, char *type);
+struct exportent *	getexportent(int,int);
+void 			secinfo_show(FILE *fp, struct exportent *ep);
+void			xprtsecinfo_show(FILE *fp, struct exportent *ep);
+void			putexportent(struct exportent *xep);
+void			endexportent(void);
+struct exportent *	mkexportent(char *hname, char *path, char *opts);
+void			dupexportent(struct exportent *dst,
+					struct exportent *src);
+int			updateexportent(struct exportent *eep, char *options);
+
+extern struct state_paths rmtab;
+int			setrmtabent(char *type);
+struct rmtabent *	getrmtabent(int log, long *pos);
+void			putrmtabent(struct rmtabent *xep, long *pos);
+void			endrmtabent(void);
+void			rewindrmtabent(void);
+FILE *			fsetrmtabent(char *fname, char *type);
+struct rmtabent *	fgetrmtabent(FILE *fp, int log, long *pos);
+void			fputrmtabent(FILE *fp, struct rmtabent *xep, long *pos);
+void			fendrmtabent(FILE *fp);
+void			frewindrmtabent(FILE *fp);
+
+_Bool state_setup_basedir(const char *, const char *);
+int setup_state_path_names(const char *, const char *, const char *, const char *, struct state_paths *);
+void free_state_path_names(struct state_paths *);
+
+/* mydaemon */
+void daemon_init(bool fg);
+void daemon_ready(void);
+
+/*
+ * wildmat borrowed from INN
+ */
+int			wildmat(char *text, char *pattern);
+
+int qword_get(char **bpp, char *dest, int bufsize);
+int qword_get_int(char **bpp, int *anint);
+void cache_flush(void);
+void qword_add(char **bpp, int *lp, char *str);
+void qword_addhex(char **bpp, int *lp, char *buf, int blen);
+void qword_addint(char **bpp, int *lp, int n);
+void qword_adduint(char **bpp, int *lp, unsigned int n);
+void qword_addeol(char **bpp, int *lp);
+int qword_get_uint(char **bpp, unsigned int *anint);
+
+void closeall(int min);
+
+int			svctcp_socket (u_long __number, int __reuse);
+int			svcudp_socket (u_long __number);
+int			svcsock_nonblock (int __sock);
+
+/* Misc shared code prototypes */
+size_t  strlcat(char *, const char *, size_t);
+size_t  strlcpy(char *, const char *, size_t);
+ssize_t atomicio(ssize_t (*f) (int, void*, size_t),
+		 int, void *, size_t);
+
+#ifdef HAVE_LIBTIRPC_SET_DEBUG
+void  libtirpc_set_debug(char *name, int level, int use_stderr);
+#endif
+
+#define UNUSED(x) UNUSED_ ## x __attribute__((unused))
+
+/*
+ * Some versions of freeaddrinfo(3) do not tolerate being
+ * passed a NULL pointer.
+ */
+static inline void nfs_freeaddrinfo(struct addrinfo *ai)
+{
+	if (ai) {
+		freeaddrinfo(ai);
+	}
+}
+#endif /* NFSLIB_H */
diff --git a/support/include/nfsrpc.h b/support/include/nfsrpc.h
new file mode 100644
index 0000000..fbbdb6a
--- /dev/null
+++ b/support/include/nfsrpc.h
@@ -0,0 +1,178 @@
+/*
+ * nfsrpc.h -- RPC client APIs provided by support/nfs
+ *
+ * Copyright (C) 2008 Oracle Corporation.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 0211-1301 USA
+ *
+ */
+
+#ifndef __NFS_UTILS_NFSRPC_H
+#define __NFS_UTILS_NFSRPC_H
+
+#include <string.h>
+#include <rpc/types.h>
+#include <rpc/clnt.h>
+
+/*
+ * IANA does not define an IP protocol number for RDMA transports.
+ * Choose an arbitrary value we can use locally.
+ */
+#define NFSPROTO_RDMA		(3939)
+
+/*
+ * Conventional RPC program numbers
+ */
+#ifndef RPCBPROG
+#define RPCBPROG	((rpcprog_t)100000)
+#endif
+#ifndef PMAPPROG
+#define PMAPPROG	((rpcprog_t)100000)
+#endif
+
+#ifndef NFSPROG
+#define NFSPROG		((rpcprog_t)100003)
+#endif
+#ifndef MOUNTPROG
+#define MOUNTPROG	((rpcprog_t)100005)
+#endif
+#ifndef NLMPROG
+#define NLMPROG		((rpcprog_t)100021)
+#endif
+#ifndef NSMPROG
+#define NSMPROG		((rpcprog_t)100024)
+#endif
+
+/**
+ * nfs_clear_rpc_createerr - zap all error reporting fields
+ *
+ */
+static inline void nfs_clear_rpc_createerr(void)
+{
+	memset(&rpc_createerr, 0, sizeof(rpc_createerr));
+}
+
+/*
+ * Look up an RPC program name in /etc/rpc
+ */
+extern rpcprog_t	nfs_getrpcbyname(const rpcprog_t, const char *table[]);
+
+/*
+ * Acquire an RPC CLIENT * with an ephemeral source port
+ */
+extern CLIENT		*nfs_get_rpcclient(const struct sockaddr *,
+				const socklen_t, const unsigned short,
+				const rpcprog_t, const rpcvers_t,
+				struct timeval *);
+
+/*
+ * Acquire an RPC CLIENT * with a privileged source port
+ */
+extern CLIENT		*nfs_get_priv_rpcclient( const struct sockaddr *,
+				const socklen_t, const unsigned short,
+				const rpcprog_t, const rpcvers_t,
+				struct timeval *);
+
+/*
+ * Convert a netid to a protocol number and protocol family
+ */
+extern int		nfs_get_proto(const char *netid, sa_family_t *family,
+				unsigned long *protocol);
+
+/*
+ * Convert a protocol family and protocol name to a netid
+ */
+extern char		*nfs_get_netid(const sa_family_t family,
+				const unsigned long protocol);
+
+/*
+ * Convert a socket address to a universal address
+ */
+extern char		*nfs_sockaddr2universal(const struct sockaddr *);
+
+/*
+ * Extract port number from a universal address
+ */
+extern int		nfs_universal2port(const char *);
+
+/*
+ * Generic function that maps an RPC service tuple to an IP port
+ * number of the service on a remote post, and sends a NULL
+ * request to determine if the service is responding to requests
+ */
+extern int		nfs_getport_ping(struct sockaddr *sap,
+				const socklen_t salen,
+				const rpcprog_t program,
+				const rpcvers_t version,
+				const unsigned short protocol);
+
+/*
+ * Generic function that maps an RPC service tuple to an IP port
+ * number of the service on a remote host
+ */
+extern unsigned short	nfs_getport(const struct sockaddr *,
+				const socklen_t, const rpcprog_t,
+				const rpcvers_t, const unsigned short);
+
+/*
+ * Generic function that maps an RPC service tuple to an IP port
+ * number of the service on the local host
+ */
+extern unsigned short	nfs_getlocalport(const rpcprot_t,
+				const rpcvers_t, const unsigned short);
+
+/*
+ * Function to invoke an rpcbind v3/v4 GETADDR request
+ */
+extern unsigned short	nfs_rpcb_getaddr(const struct sockaddr *,
+				const socklen_t,
+				const unsigned short,
+				const struct sockaddr *,
+				const rpcprog_t,
+				const rpcvers_t,
+				const unsigned short,
+				const struct timeval *);
+
+/*
+ * Function to invoke a portmap GETPORT request
+ */
+extern unsigned long	nfs_pmap_getport(const struct sockaddr_in *,
+				const unsigned short,
+				const unsigned long,
+				const unsigned long,
+				const unsigned long,
+				const struct timeval *);
+
+/*
+ * Use nfs_pmap_getport to see if statd is running locally
+ */
+extern int nfs_probe_statd(void);
+
+/*
+ * Contact a remote RPC service to discover whether it is responding
+ * to requests.
+ */
+extern int		nfs_rpc_ping(const struct sockaddr *sap,
+				const socklen_t salen,
+				const rpcprog_t program,
+				const rpcvers_t version,
+				const unsigned short protocol,
+				const struct timeval *timeout);
+
+/* create AUTH_SYS handle with no supplemental groups */
+extern AUTH *			 nfs_authsys_create(void);
+
+#endif	/* !__NFS_UTILS_NFSRPC_H */
diff --git a/support/include/nls.h b/support/include/nls.h
new file mode 100644
index 0000000..899e8d7
--- /dev/null
+++ b/support/include/nls.h
@@ -0,0 +1,27 @@
+/* 
+ * 2006-06-08 Amit Gud <agud@redhat.com>
+ * - Copied to nfs-utils/support/include from util-linux/mount
+ */
+
+#ifndef LOCALEDIR
+#define LOCALEDIR "/usr/share/locale"
+#endif
+
+#ifdef ENABLE_NLS
+# include <libintl.h>
+# define _(Text) gettext (Text)
+# ifdef gettext_noop
+#  define N_(String) gettext_noop (String)
+# else
+#  define N_(String) (String)
+# endif
+#else
+# undef bindtextdomain
+# define bindtextdomain(Domain, Directory) /* empty */
+# undef textdomain
+# define textdomain(Domain) /* empty */
+# define _(Text) (Text)
+# define N_(Text) (Text)
+#endif
+
+
diff --git a/support/include/nsm.h b/support/include/nsm.h
new file mode 100644
index 0000000..080d176
--- /dev/null
+++ b/support/include/nsm.h
@@ -0,0 +1,94 @@
+/*
+ * Copyright 2009 Oracle.  All rights reserved.
+ *
+ * This file is part of nfs-utils.
+ *
+ * nfs-utils is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * nfs-utils is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with nfs-utils.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ * NSM for Linux.
+ */
+
+#ifndef NFS_UTILS_SUPPORT_NSM_H
+#define NFS_UTILS_SUPPORT_NSM_H
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <stdbool.h>
+
+#include <netdb.h>
+#include <time.h>
+
+#include "sm_inter.h"
+
+typedef unsigned int
+		(*nsm_populate_t)(const char *hostname,
+				const struct sockaddr *sap,
+				const struct mon *mon,
+				const time_t timestamp);
+
+/* file.c */
+
+extern _Bool	nsm_setup_pathnames(const char *progname,
+				const char *parentdir);
+extern _Bool	nsm_is_default_parentdir(void);
+extern _Bool	nsm_drop_privileges(const int pidfd);
+
+extern int	nsm_get_state(_Bool update);
+extern void	nsm_update_kernel_state(const int state);
+
+extern unsigned int
+		nsm_retire_monitored_hosts(void);
+extern unsigned int
+		nsm_load_monitor_list(nsm_populate_t func);
+extern unsigned int
+		nsm_load_notify_list(nsm_populate_t func);
+
+extern _Bool	nsm_insert_monitored_host(const char *hostname,
+			const struct sockaddr *sap, const struct mon *m);
+extern void	nsm_delete_monitored_host(const char *hostname,
+			const char *mon_name, const char *my_name,
+			const int chatty);
+extern void	nsm_delete_notified_host(const char *hostname,
+			const char *mon_name, const char *my_name);
+extern size_t	nsm_priv_to_hex(const char *priv, char *buf,
+				const size_t buflen);
+
+/* rpc.c */
+
+#define NSM_MAXMSGSIZE	(2048u)
+
+extern uint32_t nsm_xmit_getport(const int sock,
+			const struct sockaddr_in *sin,
+			const unsigned long program,
+			const unsigned long version);
+extern uint32_t nsm_xmit_getaddr(const int sock,
+			const struct sockaddr_in6 *sin6,
+			const rpcprog_t program, const rpcvers_t version);
+extern uint32_t nsm_xmit_rpcbind(const int sock, const struct sockaddr *sap,
+			const rpcprog_t program, const rpcvers_t version);
+extern uint32_t nsm_xmit_notify(const int sock, const struct sockaddr *sap,
+			const socklen_t salen, const rpcprog_t program,
+			const char *mon_name, const int state);
+extern uint32_t nsm_xmit_nlmcall(const int sock, const struct sockaddr *sap,
+			const socklen_t salen, const struct mon *m,
+			const int state);
+extern uint32_t nsm_parse_reply(XDR *xdrs);
+extern unsigned long
+		nsm_recv_getport(XDR *xdrs);
+extern uint16_t nsm_recv_getaddr(XDR *xdrs);
+extern uint16_t nsm_recv_rpcbind(const sa_family_t family, XDR *xdrs);
+
+#endif	/* !NFS_UTILS_SUPPORT_NSM_H */
diff --git a/support/include/pseudoflavors.h b/support/include/pseudoflavors.h
new file mode 100644
index 0000000..1f16f3f
--- /dev/null
+++ b/support/include/pseudoflavors.h
@@ -0,0 +1,15 @@
+#define RPC_AUTH_GSS_KRB5       390003
+#define RPC_AUTH_GSS_KRB5I      390004
+#define RPC_AUTH_GSS_KRB5P      390005
+#define RPC_AUTH_GSS_LKEY       390006
+#define RPC_AUTH_GSS_LKEYI      390007
+#define RPC_AUTH_GSS_LKEYP      390008
+
+struct flav_info {
+	char    *flavour;
+	int     fnum;
+	int	need_krb5;
+};
+
+extern struct flav_info flav_map[];
+extern const int flav_map_size;
diff --git a/support/include/rpcmisc.h b/support/include/rpcmisc.h
new file mode 100644
index 0000000..31c8e5d
--- /dev/null
+++ b/support/include/rpcmisc.h
@@ -0,0 +1,72 @@
+/*
+ * rpcmisc	Support for RPC startup, dispatching and logging.
+ *
+ * Copyright (C) 1995 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifndef RPCMISC_H
+#define RPCMISC_H
+
+#include <rpc/rpc.h>
+#include <rpc/pmap_clnt.h>
+
+#ifdef __STDC__
+#   define CONCAT(a,b)		a##b
+#   define STRING(a)		#a
+#else
+#   define CONCAT(a,b)		a/**/b
+#   define STRING(a)		"a"
+#endif
+
+typedef bool_t	(*rpcsvc_fn_t)(struct svc_req *, void *argp, void *resp);
+
+struct rpc_dentry {
+	const char	*name;
+	rpcsvc_fn_t	func;
+	xdrproc_t	xdr_arg_fn;		/* argument XDR */
+	size_t		xdr_arg_size;
+	xdrproc_t	xdr_res_fn;		/* result XDR */
+	size_t		xdr_res_size;
+};
+
+struct rpc_dtable {
+	struct rpc_dentry *entries;
+	rpcproc_t		nproc;
+};
+
+#define dtable_ent(func, vers, arg_type, res_type) \
+	{	STRING(func), \
+		(rpcsvc_fn_t)func##_##vers##_svc, \
+		(xdrproc_t)xdr_##arg_type, sizeof(arg_type), \
+		(xdrproc_t)xdr_##res_type, sizeof(res_type), \
+	}
+
+void		nfs_svc_unregister(const rpcprog_t program,
+				const rpcvers_t version);
+unsigned int	nfs_svc_create(char *name, const rpcprog_t program,
+				const rpcvers_t version,
+				void (*dispatch)(struct svc_req *, SVCXPRT *),
+				const uint16_t port);
+void		rpc_init(char *name, int prog, int vers,
+				void (*dispatch)(struct svc_req *, SVCXPRT *),
+				int defport);
+void		rpc_dispatch(struct svc_req *rq, SVCXPRT *xprt,
+				struct rpc_dtable *dtable, int nvers,
+				void *argp, void *resp);
+int		getservport(u_long number, const char *proto);
+
+extern int	_rpcpmstart;
+extern unsigned int	_rpcprotobits;
+extern int	_rpcsvcdirty;
+
+static inline struct sockaddr_in *nfs_getrpccaller_in(SVCXPRT *xprt)
+{
+	return (struct sockaddr_in *)(char *)svc_getcaller(xprt);
+}
+
+static inline struct sockaddr *nfs_getrpccaller(SVCXPRT *xprt)
+{
+	return (struct sockaddr *)(char *)svc_getcaller(xprt);
+}
+
+#endif /* RPCMISC_H */
diff --git a/support/include/rpcsvc/Makefile.am b/support/include/rpcsvc/Makefile.am
new file mode 100644
index 0000000..252bf8f
--- /dev/null
+++ b/support/include/rpcsvc/Makefile.am
@@ -0,0 +1,5 @@
+## Process this file with automake to produce Makefile.in
+
+noinst_HEADERS = nfs_prot.h
+
+MAINTAINERCLEANFILES = Makefile.in
diff --git a/support/include/rpcsvc/Makefile.in b/support/include/rpcsvc/Makefile.in
new file mode 100644
index 0000000..cc215d5
--- /dev/null
+++ b/support/include/rpcsvc/Makefile.in
@@ -0,0 +1,601 @@
+# Makefile.in generated by automake 1.16.5 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2021 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
+    flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \
+  }; \
+  for flg in $$sane_makeflags; do \
+    test $$skip_next = yes && { skip_next=no; continue; }; \
+    case $$flg in \
+      *=*|--*) continue;; \
+        -*I) strip_trailopt 'I'; skip_next=yes;; \
+      -*I?*) strip_trailopt 'I';; \
+        -*O) strip_trailopt 'O'; skip_next=yes;; \
+      -*O?*) strip_trailopt 'O';; \
+        -*l) strip_trailopt 'l'; skip_next=yes;; \
+      -*l?*) strip_trailopt 'l';; \
+      -[dEDm]) skip_next=yes;; \
+      -[JT]) skip_next=yes;; \
+    esac; \
+    case $$flg in \
+      *$$target_option*) has_opt=yes; break;; \
+    esac; \
+  done; \
+  test $$has_opt = yes
+am__make_dryrun = (target_option=n; $(am__make_running_with_option))
+am__make_keepgoing = (target_option=k; $(am__make_running_with_option))
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
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diff --git a/support/include/rpcsvc/nfs_prot.h b/support/include/rpcsvc/nfs_prot.h
new file mode 100644
index 0000000..9311341
--- /dev/null
+++ b/support/include/rpcsvc/nfs_prot.h
@@ -0,0 +1,661 @@
+/*
+ * Please do not edit this file.
+ * It was generated using rpcgen.
+ */
+
+#ifndef _NFS_PROT_H_RPCGEN
+#define _NFS_PROT_H_RPCGEN
+
+#include <rpc/rpc.h>
+
+#define NFS_PORT 2049
+#define NFS_MAXDATA 8192
+#define NFS_MAXPATHLEN 1024
+#define NFS_MAXNAMLEN 255
+#define NFS_FHSIZE 32
+#define NFS_COOKIESIZE 4
+#define NFS_FIFO_DEV -1
+#define NFSMODE_FMT 0170000
+#define NFSMODE_DIR 0040000
+#define NFSMODE_CHR 0020000
+#define NFSMODE_BLK 0060000
+#define NFSMODE_REG 0100000
+#define NFSMODE_LNK 0120000
+#define NFSMODE_SOCK 0140000
+#define NFSMODE_FIFO 0010000
+
+enum nfsstat {
+	NFS_OK = 0,
+	NFSERR_PERM = 1,
+	NFSERR_NOENT = 2,
+	NFSERR_IO = 5,
+	NFSERR_NXIO = 6,
+	NFSERR_ACCES = 13,
+	NFSERR_EXIST = 17,
+	NFSERR_NODEV = 19,
+	NFSERR_NOTDIR = 20,
+	NFSERR_ISDIR = 21,
+	NFSERR_FBIG = 27,
+	NFSERR_NOSPC = 28,
+	NFSERR_ROFS = 30,
+	NFSERR_NAMETOOLONG = 63,
+	NFSERR_NOTEMPTY = 66,
+	NFSERR_DQUOT = 69,
+	NFSERR_STALE = 70,
+	NFSERR_WFLUSH = 99,
+};
+typedef enum nfsstat nfsstat;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_nfsstat(XDR *, nfsstat*);
+#elif __STDC__ 
+extern  bool_t xdr_nfsstat(XDR *, nfsstat*);
+#else /* Old Style C */ 
+bool_t xdr_nfsstat();
+#endif /* Old Style C */ 
+
+
+enum ftype {
+	NFNON = 0,
+	NFREG = 1,
+	NFDIR = 2,
+	NFBLK = 3,
+	NFCHR = 4,
+	NFLNK = 5,
+	NFSOCK = 6,
+	NFBAD = 7,
+	NFFIFO = 8,
+};
+typedef enum ftype ftype;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_ftype(XDR *, ftype*);
+#elif __STDC__ 
+extern  bool_t xdr_ftype(XDR *, ftype*);
+#else /* Old Style C */ 
+bool_t xdr_ftype();
+#endif /* Old Style C */ 
+
+
+struct nfs_fh {
+	char data[NFS_FHSIZE];
+};
+typedef struct nfs_fh nfs_fh;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_nfs_fh(XDR *, nfs_fh*);
+#elif __STDC__ 
+extern  bool_t xdr_nfs_fh(XDR *, nfs_fh*);
+#else /* Old Style C */ 
+bool_t xdr_nfs_fh();
+#endif /* Old Style C */ 
+
+
+struct nfstime {
+	u_int seconds;
+	u_int useconds;
+};
+typedef struct nfstime nfstime;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_nfstime(XDR *, nfstime*);
+#elif __STDC__ 
+extern  bool_t xdr_nfstime(XDR *, nfstime*);
+#else /* Old Style C */ 
+bool_t xdr_nfstime();
+#endif /* Old Style C */ 
+
+
+struct fattr {
+	ftype type;
+	u_int mode;
+	u_int nlink;
+	u_int uid;
+	u_int gid;
+	u_int size;
+	u_int blocksize;
+	u_int rdev;
+	u_int blocks;
+	u_int fsid;
+	u_int fileid;
+	nfstime atime;
+	nfstime mtime;
+	nfstime ctime;
+};
+typedef struct fattr fattr;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_fattr(XDR *, fattr*);
+#elif __STDC__ 
+extern  bool_t xdr_fattr(XDR *, fattr*);
+#else /* Old Style C */ 
+bool_t xdr_fattr();
+#endif /* Old Style C */ 
+
+
+struct sattr {
+	u_int mode;
+	u_int uid;
+	u_int gid;
+	u_int size;
+	nfstime atime;
+	nfstime mtime;
+};
+typedef struct sattr sattr;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_sattr(XDR *, sattr*);
+#elif __STDC__ 
+extern  bool_t xdr_sattr(XDR *, sattr*);
+#else /* Old Style C */ 
+bool_t xdr_sattr();
+#endif /* Old Style C */ 
+
+
+typedef char *filename;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_filename(XDR *, filename*);
+#elif __STDC__ 
+extern  bool_t xdr_filename(XDR *, filename*);
+#else /* Old Style C */ 
+bool_t xdr_filename();
+#endif /* Old Style C */ 
+
+
+typedef char *nfspath;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_nfspath(XDR *, nfspath*);
+#elif __STDC__ 
+extern  bool_t xdr_nfspath(XDR *, nfspath*);
+#else /* Old Style C */ 
+bool_t xdr_nfspath();
+#endif /* Old Style C */ 
+
+
+struct attrstat {
+	nfsstat status;
+	union {
+		fattr attributes;
+	} attrstat_u;
+};
+typedef struct attrstat attrstat;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_attrstat(XDR *, attrstat*);
+#elif __STDC__ 
+extern  bool_t xdr_attrstat(XDR *, attrstat*);
+#else /* Old Style C */ 
+bool_t xdr_attrstat();
+#endif /* Old Style C */ 
+
+
+struct sattrargs {
+	nfs_fh file;
+	sattr attributes;
+};
+typedef struct sattrargs sattrargs;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_sattrargs(XDR *, sattrargs*);
+#elif __STDC__ 
+extern  bool_t xdr_sattrargs(XDR *, sattrargs*);
+#else /* Old Style C */ 
+bool_t xdr_sattrargs();
+#endif /* Old Style C */ 
+
+
+struct diropargs {
+	nfs_fh dir;
+	filename name;
+};
+typedef struct diropargs diropargs;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_diropargs(XDR *, diropargs*);
+#elif __STDC__ 
+extern  bool_t xdr_diropargs(XDR *, diropargs*);
+#else /* Old Style C */ 
+bool_t xdr_diropargs();
+#endif /* Old Style C */ 
+
+
+struct diropokres {
+	nfs_fh file;
+	fattr attributes;
+};
+typedef struct diropokres diropokres;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_diropokres(XDR *, diropokres*);
+#elif __STDC__ 
+extern  bool_t xdr_diropokres(XDR *, diropokres*);
+#else /* Old Style C */ 
+bool_t xdr_diropokres();
+#endif /* Old Style C */ 
+
+
+struct diropres {
+	nfsstat status;
+	union {
+		diropokres diropres;
+	} diropres_u;
+};
+typedef struct diropres diropres;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_diropres(XDR *, diropres*);
+#elif __STDC__ 
+extern  bool_t xdr_diropres(XDR *, diropres*);
+#else /* Old Style C */ 
+bool_t xdr_diropres();
+#endif /* Old Style C */ 
+
+
+struct readlinkres {
+	nfsstat status;
+	union {
+		nfspath data;
+	} readlinkres_u;
+};
+typedef struct readlinkres readlinkres;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_readlinkres(XDR *, readlinkres*);
+#elif __STDC__ 
+extern  bool_t xdr_readlinkres(XDR *, readlinkres*);
+#else /* Old Style C */ 
+bool_t xdr_readlinkres();
+#endif /* Old Style C */ 
+
+
+struct readargs {
+	nfs_fh file;
+	u_int offset;
+	u_int count;
+	u_int totalcount;
+};
+typedef struct readargs readargs;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_readargs(XDR *, readargs*);
+#elif __STDC__ 
+extern  bool_t xdr_readargs(XDR *, readargs*);
+#else /* Old Style C */ 
+bool_t xdr_readargs();
+#endif /* Old Style C */ 
+
+
+struct readokres {
+	fattr attributes;
+	struct {
+		u_int data_len;
+		char *data_val;
+	} data;
+};
+typedef struct readokres readokres;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_readokres(XDR *, readokres*);
+#elif __STDC__ 
+extern  bool_t xdr_readokres(XDR *, readokres*);
+#else /* Old Style C */ 
+bool_t xdr_readokres();
+#endif /* Old Style C */ 
+
+
+struct readres {
+	nfsstat status;
+	union {
+		readokres reply;
+	} readres_u;
+};
+typedef struct readres readres;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_readres(XDR *, readres*);
+#elif __STDC__ 
+extern  bool_t xdr_readres(XDR *, readres*);
+#else /* Old Style C */ 
+bool_t xdr_readres();
+#endif /* Old Style C */ 
+
+
+struct writeargs {
+	nfs_fh file;
+	u_int beginoffset;
+	u_int offset;
+	u_int totalcount;
+	struct {
+		u_int data_len;
+		char *data_val;
+	} data;
+};
+typedef struct writeargs writeargs;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_writeargs(XDR *, writeargs*);
+#elif __STDC__ 
+extern  bool_t xdr_writeargs(XDR *, writeargs*);
+#else /* Old Style C */ 
+bool_t xdr_writeargs();
+#endif /* Old Style C */ 
+
+
+struct createargs {
+	diropargs where;
+	sattr attributes;
+};
+typedef struct createargs createargs;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_createargs(XDR *, createargs*);
+#elif __STDC__ 
+extern  bool_t xdr_createargs(XDR *, createargs*);
+#else /* Old Style C */ 
+bool_t xdr_createargs();
+#endif /* Old Style C */ 
+
+
+struct renameargs {
+	diropargs from;
+	diropargs to;
+};
+typedef struct renameargs renameargs;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_renameargs(XDR *, renameargs*);
+#elif __STDC__ 
+extern  bool_t xdr_renameargs(XDR *, renameargs*);
+#else /* Old Style C */ 
+bool_t xdr_renameargs();
+#endif /* Old Style C */ 
+
+
+struct linkargs {
+	nfs_fh from;
+	diropargs to;
+};
+typedef struct linkargs linkargs;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_linkargs(XDR *, linkargs*);
+#elif __STDC__ 
+extern  bool_t xdr_linkargs(XDR *, linkargs*);
+#else /* Old Style C */ 
+bool_t xdr_linkargs();
+#endif /* Old Style C */ 
+
+
+struct symlinkargs {
+	diropargs from;
+	nfspath to;
+	sattr attributes;
+};
+typedef struct symlinkargs symlinkargs;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_symlinkargs(XDR *, symlinkargs*);
+#elif __STDC__ 
+extern  bool_t xdr_symlinkargs(XDR *, symlinkargs*);
+#else /* Old Style C */ 
+bool_t xdr_symlinkargs();
+#endif /* Old Style C */ 
+
+
+typedef char nfscookie[NFS_COOKIESIZE];
+#ifdef __cplusplus 
+extern "C" bool_t xdr_nfscookie(XDR *, nfscookie);
+#elif __STDC__ 
+extern  bool_t xdr_nfscookie(XDR *, nfscookie);
+#else /* Old Style C */ 
+bool_t xdr_nfscookie();
+#endif /* Old Style C */ 
+
+
+struct readdirargs {
+	nfs_fh dir;
+	nfscookie cookie;
+	u_int count;
+};
+typedef struct readdirargs readdirargs;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_readdirargs(XDR *, readdirargs*);
+#elif __STDC__ 
+extern  bool_t xdr_readdirargs(XDR *, readdirargs*);
+#else /* Old Style C */ 
+bool_t xdr_readdirargs();
+#endif /* Old Style C */ 
+
+
+struct entry {
+	u_int fileid;
+	filename name;
+	nfscookie cookie;
+	struct entry *nextentry;
+};
+typedef struct entry entry;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_entry(XDR *, entry*);
+#elif __STDC__ 
+extern  bool_t xdr_entry(XDR *, entry*);
+#else /* Old Style C */ 
+bool_t xdr_entry();
+#endif /* Old Style C */ 
+
+
+struct dirlist {
+	entry *entries;
+	bool_t eof;
+};
+typedef struct dirlist dirlist;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_dirlist(XDR *, dirlist*);
+#elif __STDC__ 
+extern  bool_t xdr_dirlist(XDR *, dirlist*);
+#else /* Old Style C */ 
+bool_t xdr_dirlist();
+#endif /* Old Style C */ 
+
+
+struct readdirres {
+	nfsstat status;
+	union {
+		dirlist reply;
+	} readdirres_u;
+};
+typedef struct readdirres readdirres;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_readdirres(XDR *, readdirres*);
+#elif __STDC__ 
+extern  bool_t xdr_readdirres(XDR *, readdirres*);
+#else /* Old Style C */ 
+bool_t xdr_readdirres();
+#endif /* Old Style C */ 
+
+
+struct statfsokres {
+	u_int tsize;
+	u_int bsize;
+	u_int blocks;
+	u_int bfree;
+	u_int bavail;
+};
+typedef struct statfsokres statfsokres;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_statfsokres(XDR *, statfsokres*);
+#elif __STDC__ 
+extern  bool_t xdr_statfsokres(XDR *, statfsokres*);
+#else /* Old Style C */ 
+bool_t xdr_statfsokres();
+#endif /* Old Style C */ 
+
+
+struct statfsres {
+	nfsstat status;
+	union {
+		statfsokres reply;
+	} statfsres_u;
+};
+typedef struct statfsres statfsres;
+#ifdef __cplusplus 
+extern "C" bool_t xdr_statfsres(XDR *, statfsres*);
+#elif __STDC__ 
+extern  bool_t xdr_statfsres(XDR *, statfsres*);
+#else /* Old Style C */ 
+bool_t xdr_statfsres();
+#endif /* Old Style C */ 
+
+
+#define NFS_PROGRAM ((u_long)100003)
+#define NFS_VERSION ((u_long)2)
+
+#ifdef __cplusplus
+#define NFSPROC_NULL ((u_long)0)
+extern "C" void * nfsproc_null_2(void *, CLIENT *);
+extern "C" void * nfsproc_null_2_svc(void *, struct svc_req *);
+#define NFSPROC_GETATTR ((u_long)1)
+extern "C" attrstat * nfsproc_getattr_2(nfs_fh *, CLIENT *);
+extern "C" attrstat * nfsproc_getattr_2_svc(nfs_fh *, struct svc_req *);
+#define NFSPROC_SETATTR ((u_long)2)
+extern "C" attrstat * nfsproc_setattr_2(sattrargs *, CLIENT *);
+extern "C" attrstat * nfsproc_setattr_2_svc(sattrargs *, struct svc_req *);
+#define NFSPROC_ROOT ((u_long)3)
+extern "C" void * nfsproc_root_2(void *, CLIENT *);
+extern "C" void * nfsproc_root_2_svc(void *, struct svc_req *);
+#define NFSPROC_LOOKUP ((u_long)4)
+extern "C" diropres * nfsproc_lookup_2(diropargs *, CLIENT *);
+extern "C" diropres * nfsproc_lookup_2_svc(diropargs *, struct svc_req *);
+#define NFSPROC_READLINK ((u_long)5)
+extern "C" readlinkres * nfsproc_readlink_2(nfs_fh *, CLIENT *);
+extern "C" readlinkres * nfsproc_readlink_2_svc(nfs_fh *, struct svc_req *);
+#define NFSPROC_READ ((u_long)6)
+extern "C" readres * nfsproc_read_2(readargs *, CLIENT *);
+extern "C" readres * nfsproc_read_2_svc(readargs *, struct svc_req *);
+#define NFSPROC_WRITECACHE ((u_long)7)
+extern "C" void * nfsproc_writecache_2(void *, CLIENT *);
+extern "C" void * nfsproc_writecache_2_svc(void *, struct svc_req *);
+#define NFSPROC_WRITE ((u_long)8)
+extern "C" attrstat * nfsproc_write_2(writeargs *, CLIENT *);
+extern "C" attrstat * nfsproc_write_2_svc(writeargs *, struct svc_req *);
+#define NFSPROC_CREATE ((u_long)9)
+extern "C" diropres * nfsproc_create_2(createargs *, CLIENT *);
+extern "C" diropres * nfsproc_create_2_svc(createargs *, struct svc_req *);
+#define NFSPROC_REMOVE ((u_long)10)
+extern "C" nfsstat * nfsproc_remove_2(diropargs *, CLIENT *);
+extern "C" nfsstat * nfsproc_remove_2_svc(diropargs *, struct svc_req *);
+#define NFSPROC_RENAME ((u_long)11)
+extern "C" nfsstat * nfsproc_rename_2(renameargs *, CLIENT *);
+extern "C" nfsstat * nfsproc_rename_2_svc(renameargs *, struct svc_req *);
+#define NFSPROC_LINK ((u_long)12)
+extern "C" nfsstat * nfsproc_link_2(linkargs *, CLIENT *);
+extern "C" nfsstat * nfsproc_link_2_svc(linkargs *, struct svc_req *);
+#define NFSPROC_SYMLINK ((u_long)13)
+extern "C" nfsstat * nfsproc_symlink_2(symlinkargs *, CLIENT *);
+extern "C" nfsstat * nfsproc_symlink_2_svc(symlinkargs *, struct svc_req *);
+#define NFSPROC_MKDIR ((u_long)14)
+extern "C" diropres * nfsproc_mkdir_2(createargs *, CLIENT *);
+extern "C" diropres * nfsproc_mkdir_2_svc(createargs *, struct svc_req *);
+#define NFSPROC_RMDIR ((u_long)15)
+extern "C" nfsstat * nfsproc_rmdir_2(diropargs *, CLIENT *);
+extern "C" nfsstat * nfsproc_rmdir_2_svc(diropargs *, struct svc_req *);
+#define NFSPROC_READDIR ((u_long)16)
+extern "C" readdirres * nfsproc_readdir_2(readdirargs *, CLIENT *);
+extern "C" readdirres * nfsproc_readdir_2_svc(readdirargs *, struct svc_req *);
+#define NFSPROC_STATFS ((u_long)17)
+extern "C" statfsres * nfsproc_statfs_2(nfs_fh *, CLIENT *);
+extern "C" statfsres * nfsproc_statfs_2_svc(nfs_fh *, struct svc_req *);
+
+#elif __STDC__
+#define NFSPROC_NULL ((u_long)0)
+extern  void * nfsproc_null_2(void *, CLIENT *);
+extern  void * nfsproc_null_2_svc(void *, struct svc_req *);
+#define NFSPROC_GETATTR ((u_long)1)
+extern  attrstat * nfsproc_getattr_2(nfs_fh *, CLIENT *);
+extern  attrstat * nfsproc_getattr_2_svc(nfs_fh *, struct svc_req *);
+#define NFSPROC_SETATTR ((u_long)2)
+extern  attrstat * nfsproc_setattr_2(sattrargs *, CLIENT *);
+extern  attrstat * nfsproc_setattr_2_svc(sattrargs *, struct svc_req *);
+#define NFSPROC_ROOT ((u_long)3)
+extern  void * nfsproc_root_2(void *, CLIENT *);
+extern  void * nfsproc_root_2_svc(void *, struct svc_req *);
+#define NFSPROC_LOOKUP ((u_long)4)
+extern  diropres * nfsproc_lookup_2(diropargs *, CLIENT *);
+extern  diropres * nfsproc_lookup_2_svc(diropargs *, struct svc_req *);
+#define NFSPROC_READLINK ((u_long)5)
+extern  readlinkres * nfsproc_readlink_2(nfs_fh *, CLIENT *);
+extern  readlinkres * nfsproc_readlink_2_svc(nfs_fh *, struct svc_req *);
+#define NFSPROC_READ ((u_long)6)
+extern  readres * nfsproc_read_2(readargs *, CLIENT *);
+extern  readres * nfsproc_read_2_svc(readargs *, struct svc_req *);
+#define NFSPROC_WRITECACHE ((u_long)7)
+extern  void * nfsproc_writecache_2(void *, CLIENT *);
+extern  void * nfsproc_writecache_2_svc(void *, struct svc_req *);
+#define NFSPROC_WRITE ((u_long)8)
+extern  attrstat * nfsproc_write_2(writeargs *, CLIENT *);
+extern  attrstat * nfsproc_write_2_svc(writeargs *, struct svc_req *);
+#define NFSPROC_CREATE ((u_long)9)
+extern  diropres * nfsproc_create_2(createargs *, CLIENT *);
+extern  diropres * nfsproc_create_2_svc(createargs *, struct svc_req *);
+#define NFSPROC_REMOVE ((u_long)10)
+extern  nfsstat * nfsproc_remove_2(diropargs *, CLIENT *);
+extern  nfsstat * nfsproc_remove_2_svc(diropargs *, struct svc_req *);
+#define NFSPROC_RENAME ((u_long)11)
+extern  nfsstat * nfsproc_rename_2(renameargs *, CLIENT *);
+extern  nfsstat * nfsproc_rename_2_svc(renameargs *, struct svc_req *);
+#define NFSPROC_LINK ((u_long)12)
+extern  nfsstat * nfsproc_link_2(linkargs *, CLIENT *);
+extern  nfsstat * nfsproc_link_2_svc(linkargs *, struct svc_req *);
+#define NFSPROC_SYMLINK ((u_long)13)
+extern  nfsstat * nfsproc_symlink_2(symlinkargs *, CLIENT *);
+extern  nfsstat * nfsproc_symlink_2_svc(symlinkargs *, struct svc_req *);
+#define NFSPROC_MKDIR ((u_long)14)
+extern  diropres * nfsproc_mkdir_2(createargs *, CLIENT *);
+extern  diropres * nfsproc_mkdir_2_svc(createargs *, struct svc_req *);
+#define NFSPROC_RMDIR ((u_long)15)
+extern  nfsstat * nfsproc_rmdir_2(diropargs *, CLIENT *);
+extern  nfsstat * nfsproc_rmdir_2_svc(diropargs *, struct svc_req *);
+#define NFSPROC_READDIR ((u_long)16)
+extern  readdirres * nfsproc_readdir_2(readdirargs *, CLIENT *);
+extern  readdirres * nfsproc_readdir_2_svc(readdirargs *, struct svc_req *);
+#define NFSPROC_STATFS ((u_long)17)
+extern  statfsres * nfsproc_statfs_2(nfs_fh *, CLIENT *);
+extern  statfsres * nfsproc_statfs_2_svc(nfs_fh *, struct svc_req *);
+
+#else /* Old Style C */ 
+#define NFSPROC_NULL ((u_long)0)
+extern  void * nfsproc_null_2();
+extern  void * nfsproc_null_2_svc();
+#define NFSPROC_GETATTR ((u_long)1)
+extern  attrstat * nfsproc_getattr_2();
+extern  attrstat * nfsproc_getattr_2_svc();
+#define NFSPROC_SETATTR ((u_long)2)
+extern  attrstat * nfsproc_setattr_2();
+extern  attrstat * nfsproc_setattr_2_svc();
+#define NFSPROC_ROOT ((u_long)3)
+extern  void * nfsproc_root_2();
+extern  void * nfsproc_root_2_svc();
+#define NFSPROC_LOOKUP ((u_long)4)
+extern  diropres * nfsproc_lookup_2();
+extern  diropres * nfsproc_lookup_2_svc();
+#define NFSPROC_READLINK ((u_long)5)
+extern  readlinkres * nfsproc_readlink_2();
+extern  readlinkres * nfsproc_readlink_2_svc();
+#define NFSPROC_READ ((u_long)6)
+extern  readres * nfsproc_read_2();
+extern  readres * nfsproc_read_2_svc();
+#define NFSPROC_WRITECACHE ((u_long)7)
+extern  void * nfsproc_writecache_2();
+extern  void * nfsproc_writecache_2_svc();
+#define NFSPROC_WRITE ((u_long)8)
+extern  attrstat * nfsproc_write_2();
+extern  attrstat * nfsproc_write_2_svc();
+#define NFSPROC_CREATE ((u_long)9)
+extern  diropres * nfsproc_create_2();
+extern  diropres * nfsproc_create_2_svc();
+#define NFSPROC_REMOVE ((u_long)10)
+extern  nfsstat * nfsproc_remove_2();
+extern  nfsstat * nfsproc_remove_2_svc();
+#define NFSPROC_RENAME ((u_long)11)
+extern  nfsstat * nfsproc_rename_2();
+extern  nfsstat * nfsproc_rename_2_svc();
+#define NFSPROC_LINK ((u_long)12)
+extern  nfsstat * nfsproc_link_2();
+extern  nfsstat * nfsproc_link_2_svc();
+#define NFSPROC_SYMLINK ((u_long)13)
+extern  nfsstat * nfsproc_symlink_2();
+extern  nfsstat * nfsproc_symlink_2_svc();
+#define NFSPROC_MKDIR ((u_long)14)
+extern  diropres * nfsproc_mkdir_2();
+extern  diropres * nfsproc_mkdir_2_svc();
+#define NFSPROC_RMDIR ((u_long)15)
+extern  nfsstat * nfsproc_rmdir_2();
+extern  nfsstat * nfsproc_rmdir_2_svc();
+#define NFSPROC_READDIR ((u_long)16)
+extern  readdirres * nfsproc_readdir_2();
+extern  readdirres * nfsproc_readdir_2_svc();
+#define NFSPROC_STATFS ((u_long)17)
+extern  statfsres * nfsproc_statfs_2();
+extern  statfsres * nfsproc_statfs_2_svc();
+#endif /* Old Style C */ 
+
+#endif /* !_NFS_PROT_H_RPCGEN */
diff --git a/support/include/sockaddr.h b/support/include/sockaddr.h
new file mode 100644
index 0000000..eeebcdf
--- /dev/null
+++ b/support/include/sockaddr.h
@@ -0,0 +1,244 @@
+/*
+ * Copyright 2009 Oracle.  All rights reserved.
+ *
+ * This file is part of nfs-utils.
+ *
+ * nfs-utils is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * nfs-utils is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with nfs-utils.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef NFS_UTILS_SOCKADDR_H
+#define NFS_UTILS_SOCKADDR_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+
+/*
+ * This type is for defining buffers that contain network socket
+ * addresses.
+ *
+ * Casting a "struct sockaddr *" to the address of a "struct
+ * sockaddr_storage" breaks C aliasing rules.  The "union
+ * nfs_sockaddr" type follows C aliasing rules yet specifically
+ * allows converting pointers to it between "struct sockaddr *"
+ * and a few other network sockaddr-related pointer types.
+ *
+ * Note that this union is much smaller than a sockaddr_storage.
+ * It should be used only for AF_INET or AF_INET6 socket addresses.
+ * An AF_LOCAL sockaddr_un, for example, will clearly not fit into
+ * a buffer of this type.
+ */
+union nfs_sockaddr {
+	struct sockaddr		sa;
+	struct sockaddr_in	s4;
+	struct sockaddr_in6	s6;
+};
+
+#if SIZEOF_SOCKLEN_T - 0 == 0
+#define socklen_t unsigned int
+#endif
+
+#define SIZEOF_SOCKADDR_UNKNOWN	(socklen_t)0
+#define SIZEOF_SOCKADDR_IN	(socklen_t)sizeof(struct sockaddr_in)
+
+#ifdef IPV6_SUPPORTED
+#define SIZEOF_SOCKADDR_IN6	(socklen_t)sizeof(struct sockaddr_in6)
+#else	/* !IPV6_SUPPORTED */
+#define SIZEOF_SOCKADDR_IN6	SIZEOF_SOCKADDR_UNKNOWN
+#endif	/* !IPV6_SUPPORTED */
+
+/**
+ * nfs_sockaddr_length - return the size in bytes of a socket address
+ * @sap: pointer to socket address
+ *
+ * Returns the size in bytes of @sap, or zero if the family is
+ * not recognized.
+ */
+static inline socklen_t
+nfs_sockaddr_length(const struct sockaddr *sap)
+{
+	switch (sap->sa_family) {
+	case AF_INET:
+		return SIZEOF_SOCKADDR_IN;
+	case AF_INET6:
+		return SIZEOF_SOCKADDR_IN6;
+	}
+	return SIZEOF_SOCKADDR_UNKNOWN;
+}
+
+static inline uint16_t
+get_port4(const struct sockaddr *sap)
+{
+	const struct sockaddr_in *sin = (const struct sockaddr_in *)sap;
+	return ntohs(sin->sin_port);
+}
+
+#ifdef IPV6_SUPPORTED
+static inline uint16_t
+get_port6(const struct sockaddr *sap)
+{
+	const struct sockaddr_in6 *sin6 = (const struct sockaddr_in6 *)sap;
+	return ntohs(sin6->sin6_port);
+}
+#else	/* !IPV6_SUPPORTED */
+static inline uint16_t
+get_port6(__attribute__ ((unused)) const struct sockaddr *sap)
+{
+	return 0;
+}
+#endif	/* !IPV6_SUPPORTED */
+
+/**
+ * nfs_get_port - extract port value from a socket address
+ * @sap: pointer to socket address
+ *
+ * Returns port value in host byte order, or zero if the
+ * socket address contains an unrecognized family.
+ */
+static inline uint16_t
+nfs_get_port(const struct sockaddr *sap)
+{
+	switch (sap->sa_family) {
+	case AF_INET:
+		return get_port4(sap);
+	case AF_INET6:
+		return get_port6(sap);
+	}
+	return 0;
+}
+
+static inline void
+set_port4(struct sockaddr *sap, const uint16_t port)
+{
+	struct sockaddr_in *sin = (struct sockaddr_in *)sap;
+	sin->sin_port = htons(port);
+}
+
+#ifdef IPV6_SUPPORTED
+static inline void
+set_port6(struct sockaddr *sap, const uint16_t port)
+{
+	struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sap;
+	sin6->sin6_port = htons(port);
+}
+#else	/* !IPV6_SUPPORTED */
+static inline void
+set_port6(__attribute__ ((unused)) struct sockaddr *sap,
+		__attribute__ ((unused)) const uint16_t port)
+{
+}
+#endif	/* !IPV6_SUPPORTED */
+
+/**
+ * nfs_set_port - set port value in a socket address
+ * @sap: pointer to socket address
+ * @port: port value to set
+ *
+ */
+static inline void
+nfs_set_port(struct sockaddr *sap, const uint16_t port)
+{
+	switch (sap->sa_family) {
+	case AF_INET:
+		set_port4(sap, port);
+		break;
+	case AF_INET6:
+		set_port6(sap, port);
+		break;
+	}
+}
+
+/**
+ * nfs_is_v4_loopback - test to see if socket address is AF_INET loopback
+ * @sap: pointer to socket address
+ *
+ * Returns true if the socket address is the standard IPv4 loopback
+ * address; otherwise false is returned.
+ */
+static inline _Bool
+nfs_is_v4_loopback(const struct sockaddr *sap)
+{
+	const struct sockaddr_in *sin = (const struct sockaddr_in *)sap;
+
+	if (sin->sin_family != AF_INET)
+		return false;
+	if (sin->sin_addr.s_addr != htonl(INADDR_LOOPBACK))
+		return false;
+        return true;
+}
+
+static inline _Bool
+compare_sockaddr4(const struct sockaddr *sa1, const struct sockaddr *sa2)
+{
+	const struct sockaddr_in *sin1 = (const struct sockaddr_in *)sa1;
+	const struct sockaddr_in *sin2 = (const struct sockaddr_in *)sa2;
+	return sin1->sin_addr.s_addr == sin2->sin_addr.s_addr;
+}
+
+#ifdef IPV6_SUPPORTED
+static inline _Bool
+compare_sockaddr6(const struct sockaddr *sa1, const struct sockaddr *sa2)
+{
+	const struct sockaddr_in6 *sin1 = (const struct sockaddr_in6 *)sa1;
+	const struct sockaddr_in6 *sin2 = (const struct sockaddr_in6 *)sa2;
+	const struct in6_addr *saddr1 = &sin1->sin6_addr;
+	const struct in6_addr *saddr2 = &sin2->sin6_addr;
+
+	if (IN6_IS_ADDR_LINKLOCAL(saddr1) && IN6_IS_ADDR_LINKLOCAL(saddr2))
+		if (sin1->sin6_scope_id != sin2->sin6_scope_id)
+			return false;
+
+	return IN6_ARE_ADDR_EQUAL(saddr1, saddr2);
+}
+#else	/* !IPV6_SUPPORTED */
+static inline _Bool
+compare_sockaddr6(__attribute__ ((unused)) const struct sockaddr *sa1,
+		__attribute__ ((unused)) const struct sockaddr *sa2)
+{
+	return false;
+}
+#endif	/* !IPV6_SUPPORTED */
+
+/**
+ * nfs_compare_sockaddr - compare two socket addresses for equality
+ * @sa1: pointer to a socket address
+ * @sa2: pointer to a socket address
+ *
+ * Returns true if the two socket addresses contain equivalent
+ * network addresses; otherwise false is returned.
+ */
+static inline _Bool
+nfs_compare_sockaddr(const struct sockaddr *sa1, const struct sockaddr *sa2)
+{
+	if (sa1 == NULL || sa2 == NULL)
+		return false;
+
+	if (sa1->sa_family == sa2->sa_family)
+		switch (sa1->sa_family) {
+		case AF_INET:
+			return compare_sockaddr4(sa1, sa2);
+		case AF_INET6:
+			return compare_sockaddr6(sa1, sa2);
+		}
+
+	return false;
+}
+
+#endif	/* !NFS_UTILS_SOCKADDR_H */
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new file mode 100644
index 0000000..aead11d
--- /dev/null
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index 0000000..0f3e008
--- /dev/null
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+_rpc_pipefsmount = @_rpc_pipefsmount@
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+unitdir = @unitdir@
+noinst_HEADERS = ext2fs.h
+MAINTAINERCLEANFILES = Makefile.in
+all: all-am
+
+.SUFFIXES:
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu support/include/sys/fs/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu support/include/sys/fs/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
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+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
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+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
+tags: tags-am
+TAGS: tags
+
+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	set x; \
+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
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+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
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+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
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+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
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+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
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+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
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+clean-am: clean-generic clean-libtool mostlyclean-am
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+	-rm -f Makefile
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+pdf: pdf-am
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+	clean-libtool cscopelist-am ctags ctags-am distclean \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-dvi install-dvi-am \
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+	install-info install-info-am install-man install-pdf \
+	install-pdf-am install-ps install-ps-am install-strip \
+	installcheck installcheck-am installdirs maintainer-clean \
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+	uninstall-am
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+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/support/include/sys/fs/ext2fs.h b/support/include/sys/fs/ext2fs.h
new file mode 100644
index 0000000..93b3e2b
--- /dev/null
+++ b/support/include/sys/fs/ext2fs.h
@@ -0,0 +1,42 @@
+#ifndef _SYS_FS_EXT2FS_H
+#define _SYS_FS_EXT2FS_H
+
+/*
+ * ioctl commands
+ */
+#define	EXT2_IOC_GETFLAGS		_IOR('f', 1, long)
+#define	EXT2_IOC_SETFLAGS		_IOW('f', 2, long)
+#define	EXT2_IOC_GETVERSION		_IOR('v', 1, long)
+#define	EXT2_IOC_SETVERSION		_IOW('v', 2, long)
+
+/*
+ * File system states
+ */
+#define	EXT2_VALID_FS			0x0001	/* Unmounted cleanly */
+#define	EXT2_ERROR_FS			0x0002	/* Errors detected */
+
+/*
+ * Mount flags
+ */
+#define EXT2_MOUNT_CHECK_NORMAL		0x0001	/* Do some more checks */
+#define EXT2_MOUNT_CHECK_STRICT		0x0002	/* Do again more checks */
+#define EXT2_MOUNT_CHECK		(EXT2_MOUNT_CHECK_NORMAL | \
+					 EXT2_MOUNT_CHECK_STRICT)
+#define EXT2_MOUNT_GRPID		0x0004	/* Create files with directory's group */
+#define EXT2_MOUNT_DEBUG		0x0008	/* Some debugging messages */
+#define EXT2_MOUNT_ERRORS_CONT		0x0010	/* Continue on errors */
+#define EXT2_MOUNT_ERRORS_RO		0x0020	/* Remount fs ro on errors */
+#define EXT2_MOUNT_ERRORS_PANIC		0x0040	/* Panic on errors */
+#define EXT2_MOUNT_MINIX_DF		0x0080	/* Mimics the Minix statfs */
+
+#define clear_opt(o, opt)		o &= ~EXT2_MOUNT_##opt
+#define set_opt(o, opt)			o |= EXT2_MOUNT_##opt
+#define test_opt(sb, opt)		((sb)->u.ext2_sb.s_mount_opt & \
+					 EXT2_MOUNT_##opt)
+/*
+ * Maximal mount counts between two filesystem checks
+ */
+#define EXT2_DFL_MAX_MNT_COUNT		20	/* Allow 20 mounts */
+#define EXT2_DFL_CHECKINTERVAL		0	/* Don't use interval check */
+
+#endif	/* _SYS_FS_EXT2FS_H */
diff --git a/support/include/tcpwrapper.h b/support/include/tcpwrapper.h
new file mode 100644
index 0000000..f735106
--- /dev/null
+++ b/support/include/tcpwrapper.h
@@ -0,0 +1,12 @@
+#ifndef TCP_WRAPPER_H
+#define TCP_WRAPPER_H
+
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+extern int from_local(const struct sockaddr *sap);
+extern int check_default(char *name, struct sockaddr *sap,
+			const unsigned long program);
+
+#endif /* TCP_WRAPPER_H */
diff --git a/support/include/v4root.h b/support/include/v4root.h
new file mode 100644
index 0000000..706c15c
--- /dev/null
+++ b/support/include/v4root.h
@@ -0,0 +1,15 @@
+/*
+ * Copyright (C) 2009 Red Hat <nfs@redhat.com>
+ * support/include/v4root.h
+ *
+ * Support routines for dynamic pseudo roots.
+ *
+ */
+
+#ifndef V4ROOT_H
+#define V4ROOT_H
+
+extern int v4root_needed;
+extern void v4root_set(void);
+
+#endif /* V4ROOT_H */
diff --git a/support/include/version.h b/support/include/version.h
new file mode 100644
index 0000000..d7cf680
--- /dev/null
+++ b/support/include/version.h
@@ -0,0 +1,53 @@
+/*
+ * version.h -- get running kernel version
+ *
+ * Copyright (C) 2008 Oracle.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 0211-1301 USA
+ *
+ */
+
+#ifndef _NFS_UTILS_MOUNT_VERSION_H
+#define _NFS_UTILS_MOUNT_VERSION_H
+
+#include <stdio.h>
+#include <limits.h>
+
+#include <sys/utsname.h>
+
+static inline unsigned int MAKE_VERSION(unsigned int p, unsigned int q,
+					unsigned int r)
+{
+	return (65536 * p) + (256 * q) + r;
+}
+
+static inline unsigned int linux_version_code(void)
+{
+	struct utsname my_utsname;
+	unsigned int p, q = 0, r = 0;
+
+	/* UINT_MAX as backward compatibility code should not be run */
+	if (uname(&my_utsname))
+		return UINT_MAX;
+
+	/* UINT_MAX as future versions might not start with an integer */
+	if (sscanf(my_utsname.release, "%u.%u.%u", &p, &q, &r) < 1)
+		return UINT_MAX;
+	
+	return MAKE_VERSION(p, q, r);
+}
+
+#endif	/* _NFS_UTILS_MOUNT_VERSION_H */
diff --git a/support/include/workqueue.h b/support/include/workqueue.h
new file mode 100644
index 0000000..518be82
--- /dev/null
+++ b/support/include/workqueue.h
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) 2019 Trond Myklebust <trond.myklebust@hammerspace.com>
+ */
+#ifndef WORKQUEUE_H
+#define WORKQUEUE_H
+
+struct xthread_workqueue;
+
+struct xthread_workqueue *xthread_workqueue_alloc(void);
+void xthread_workqueue_shutdown(struct xthread_workqueue *wq);
+
+void xthread_work_run_sync(struct xthread_workqueue *wq,
+		void (*fn)(void *), void *data);
+
+void xthread_workqueue_chroot(struct xthread_workqueue *wq,
+		const char *path);
+
+#endif
diff --git a/support/include/xcommon.h b/support/include/xcommon.h
new file mode 100644
index 0000000..efde83c
--- /dev/null
+++ b/support/include/xcommon.h
@@ -0,0 +1,65 @@
+/*
+ * xcommon.h -- Support function prototypes. Functions are in xcommon.c.
+ *
+ * 2006-06-06 Amit Gud <agud@redhat.com>
+ * - Moved code snippets  from mount/sundries.h of util-linux
+ *   and merged code from support/nfs/xmalloc.c by Olaf Kirch <okir@monad.swb.de> here.
+ */
+
+#ifndef _XMALLOC_H
+#define _XMALLOC_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <signal.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifdef MAJOR_IN_MKDEV
+#include <sys/mkdev.h>
+#elif defined(MAJOR_IN_SYSMACROS)
+#include <sys/sysmacros.h>
+#endif
+
+#define streq(s, t)	(strcmp ((s), (t)) == 0)
+
+#ifdef HAVE_FUNC_ATTRIBUTE_FORMAT
+#define X_FORMAT(_x) __attribute__((__format__ _x))
+#else
+#define X_FORMAT(_x)
+#endif
+
+/* Functions in sundries.c that are used in mount.c and umount.c  */
+char *canonicalize (const char *path);
+void nfs_error (const char *fmt, ...) X_FORMAT((printf, 1, 2));
+void *xmalloc (size_t size);
+void *xrealloc(void *p, size_t size);
+void xfree(void *);
+char *xstrdup (const char *s);
+char *xstrndup (const char *s, int n);
+char *xstrconcat2 (const char *, const char *);
+char *xstrconcat3 (const char *, const char *, const char *);
+char *xstrconcat4 (const char *, const char *, const char *, const char *);
+void die (int errcode, const char *fmt, ...) X_FORMAT((printf, 2, 3));
+
+extern void die(int err, const char *fmt, ...) X_FORMAT((printf, 2, 3));
+extern void (*at_die)(void);
+
+/* exit status - bits below are ORed */
+#define EX_SUCCESS	0	/* no failure occurred */
+#define EX_USAGE	1	/* incorrect invocation or permission */
+#define EX_SYSERR	2	/* out of memory, cannot fork, ... */
+#define EX_SOFTWARE	4	/* internal mount bug or wrong version */
+#define EX_USER		8	/* user interrupt */
+#define EX_FILEIO      16	/* problems writing, locking, ... mtab/fstab */
+#define EX_FAIL	       32	/* mount failure */
+#define EX_SOMEOK      64	/* some mount succeeded */
+#define EX_BG         256       /* retry in background (internal only) */
+
+#endif /* XMALLOC_H */
diff --git a/support/include/xio.h b/support/include/xio.h
new file mode 100644
index 0000000..a8e288e
--- /dev/null
+++ b/support/include/xio.h
@@ -0,0 +1,26 @@
+/*
+ * xio.h	Declarations for simple parsing functions.
+ *
+ */
+
+#ifndef XIO_H
+#define XIO_H
+
+#include <stdio.h>
+
+typedef struct XFILE {
+	FILE		*x_fp;
+	int		x_line;
+} XFILE;
+
+XFILE	*xfopen(char *fname, char *type);
+int	xflock(char *fname, char *type);
+void	xfunlock(int lockid);
+void	xfclose(XFILE *xfp);
+int	xgettok(XFILE *xfp, char sepa, char *tok, int len);
+int	xgetc(XFILE *xfp);
+void	xungetc(int c, XFILE *xfp);
+void	xskip(XFILE *xfp, char *str);
+char	xskipcomment(XFILE *xfp);
+
+#endif /* XIO_H */
diff --git a/support/include/xlog.h b/support/include/xlog.h
new file mode 100644
index 0000000..69cdf61
--- /dev/null
+++ b/support/include/xlog.h
@@ -0,0 +1,62 @@
+/*
+ * xlog		Logging functionality
+ *
+ * Copyright (C) 1995 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifndef XLOG_H
+#define XLOG_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdarg.h>
+
+/* These are logged always. L_FATAL also does exit(1) */
+#define L_FATAL		0x0100
+#define L_ERROR		0x0200
+#define L_WARNING	0x0400
+#define L_NOTICE	0x0800
+#define L_ALL		0xFF00
+
+/* These are logged if enabled with xlog_[s]config */
+/* NB: code does not expect ORing together D_ and L_ */
+#define D_GENERAL	0x0001		/* general debug info */
+#define D_CALL		0x0002
+#define D_AUTH		0x0004
+#define D_FAC3		0x0008
+#define D_FAC4		0x0010
+#define D_FAC5		0x0020
+#define D_PARSE		0x0040
+#define D_FAC7		0x0080
+#define D_ALL		0x00FF
+
+/* This can be used to define symbolic log names that can be passed to
+ * xlog_config. */
+struct xlog_debugfac {
+	char		*df_name;
+	int		df_fac;
+};
+
+#ifdef HAVE_FUNC_ATTRIBUTE_FORMAT
+#define XLOG_FORMAT(_x) __attribute__((__format__ _x))
+#else
+#define XLOG_FORMAT(_x)
+#endif
+
+extern int export_errno;
+void			xlog_open(char *progname);
+void			xlog_stderr(int on);
+void			xlog_syslog(int on);
+void			xlog_config(int fac, int on);
+void			xlog_sconfig(char *, int on);
+void			xlog_set_debug(char *);
+int			xlog_enabled(int fac);
+void			xlog(int fac, const char *fmt, ...) XLOG_FORMAT((printf, 2, 3));
+void			xlog_warn(const char *fmt, ...) XLOG_FORMAT((printf, 1, 2));
+void			xlog_err(const char *fmt, ...) XLOG_FORMAT((printf, 1, 2));
+void			xlog_errno(int err, const char *fmt, ...) XLOG_FORMAT((printf, 2, 3));
+void			xlog_backend(int fac, const char *fmt, va_list args) XLOG_FORMAT((printf, 2, 0));
+
+#endif /* XLOG_H */
diff --git a/support/include/xmalloc.h b/support/include/xmalloc.h
new file mode 100644
index 0000000..8b82800
--- /dev/null
+++ b/support/include/xmalloc.h
@@ -0,0 +1 @@
+#include "xcommon.h"
diff --git a/support/include/xstat.h b/support/include/xstat.h
new file mode 100644
index 0000000..f1241bb
--- /dev/null
+++ b/support/include/xstat.h
@@ -0,0 +1,11 @@
+/*
+ * Copyright (C) 2019 Trond Myklebust <trond.myklebust@hammerspace.com>
+ */
+#ifndef XSTAT_H
+#define XSTAT_H
+
+struct stat;
+
+int xlstat(const char *pathname, struct stat *statbuf);
+int xstat(const char *pathname, struct stat *statbuf);
+#endif